My Little Chrono Triggers Are Magic

by Pav Feira

The Rare, Red Rock

“I’m afraid you’re mistaken.”

Rainbow Dash’s mouth flapped open and shut as she stared incredulously at Frog and continued to wave the Hero’s Medal in the latter’s face. “Mistak... But I... You’re...”

Frog turned and closed her eyes, nodding at nopony in particular. “The hero is, in fact, Sir Spike of Sugardia. I had merely been holding onto his possessions—the Lyrabon’s hilt and the Hero’s Medal—until he returns to us. They are his, and not mine.”

Twilight Sparkle raised her hoof, but Frog continued. “I noticed that I had... misplaced the Hero’s Medal during a recent excursion into town. When you mentioned that one of the local urchins from town had found it, my first instinct was to reclaim it once more, on Sir Spike’s behalf.” She turned to Rainbow Dash and smiled. “But as Rainbow described herself taking up the legendary blade and doing battle against Nightmare Moon, I came to realize that, truly, she had what it takes. Why wait for the future to change when somepony has the power to change it, after all? And that is why I gave her my blessing.”

“That doesn't make any sense,” Rainbow Dash said. Her brow had furrowed and her lips had curled into a sneer while Frog had been explaining herself. “Why didn't you just become the hero yourself?”

“Because I’m not the hero. Spike was. And besides,” Frog added quickly, pointing a webbed foot at the hilt, “if you hadn’t noticed, it’s broken.”

“Oh yes, I was wondering about the sword,” said Fluttershy. She stepped forward and lifted a hoof off the ground. “Is there anypony who can repair it? I mean, I wouldn't mind taking it to a blacksmith for you.”

“Who cares?” Rainbow Dash tossed her hooves into the air. “Why does it even matter what sword you’re using, or whether you've got some shiny medal? This is so stupid. You’re still you, aren't you? And you’re pretty awesome, so let’s go take down Nightmare Moon together! I know you can, so don’t—”

“Rainbow Dash.” Frog’s icy tone caused Rainbow Dash’s voice to stick in her throat. “I already told you. I am not a hero. I do not possess the weapon of legend, and even if I did, I am not fit to wield it.” Her eyes narrowed. “Do not make me repeat myself.”

Rainbow Dash glared back at Frog, her ears flattening behind her. They locked eyes in silence for a few moments before turning sharply, each marching away from the other.

“Fine!” yelled Rainbow Dash. She clumsily jammed the hilt into her saddlebags. “We’ll go get your stupid sword fixed for you, and when we get back, you better be ready to come fight with us!” She jetted out of the hollow, up into the forest above them. Her companions silently looked to one another before following after her.

“Thank you!” Frog screamed at her departing guests. “And it’s not my sword!” In a huff, she stomped her way over to the dress form. She gently held a foot against the snapped head, closed her eyes, and sighed into the empty room, feeling the tension slowly evaporate from her body. “It’s Spikey-Wikey’s,” she whispered.

“What’s her damn problem?” hissed Rainbow Dash. She flinched and quickly cast a glance in Twilight Sparkle’s direction. Her friend was plodding along through the well-shaded meadows, staring intently at the blades of grass as she stepped over them. Rainbow Dash let out a quiet sigh of relief before continuing, “Seriously, though. She’s strong enough to join us. I know it. She knows it. So why is she being so fussy about legends, and medals, and this Spike guy that everypony keeps yammering on about?”

“I’m kinda worried.” Pinkie Pie’s face was frozen in a wince. “I feel like there’s something she’s not telling us.”

Bon Bon sighed and shook her head. “Her heart is in the right place. Just give her some time, and I’m sure she’ll come around.”

Twilight Sparkle bit her lip. “I guess you’re right. Anyway, it’ll take us a while to—yah!” She leapt sideways and fell onto a plush, green shrub. She stared wide-eyed at Bon Bon and pointed a hoof at her. “W-Where’d you come from?”

“Duh!” Lyra poked her head out of Rainbow Dash’s saddlebags. Rainbow Dash jolted; Lyra simply laughed. “I mean, you did sorta take us with you.”

“Goodness.” Fluttershy raised a hoof to her mouth as the rest of the herd came to a standstill around them. “I just assumed that you were guarding the sword. I didn't realize that you were actually—”

“Sword spirits! Yup!” Lyra hopped out of the saddlebag and landed on the grass. She threw a foreleg around Fluttershy’s shoulder, eliciting a metallic rattling from her. “Spiritual manifestation of the weapon, embodiment of the dreams of our creator, the whole nine yards.”

Rainbow Dash shook her head clear, then returned to scowling. “I’m right, though, aren't I? She’s the hero, so she’s the one who should wield you.” She shook her head again. “Your sword.” Again. “Whatever.”

Bon Bon stared past Rainbow Dash, a faint curl of a smile appearing on her lips. “Possibly. Possibly. We’ll cross that bridge when we come to it.”

“Right,” said Twilight Sparkle, dusting herself off and rejoining the group. “First thing’s first. We need to get you—I mean, the sword—repaired. So,” she said, motioning with a hoof for Bon Bon to continue, “where do we start?”

“Well, that’s the thing. Our creator could repair us, but...” Bon Bon shared a grimace with Lyra.

“Getting in touch with her will be slightly impossible.” With a frown, Lyra hopped up onto her back hooves and leaned against Fluttershy’s side. “And then there’s the problem of finding some Dreamstone.”

“Dreamstone?” Pinkie Pie’s face lit up, and she hopped from hoof to hoof. “Ooo! Is that where a poor little pony has a rock fall on their head, and then they’re off to Dream Land?”

“No,” Bon Bon said as she held a hoof to her temples, “but if you find one of those, let me know.” She shook her head. “Anyways, the Dreamstone we’re looking for is the material that our blade is made of. It’s a brilliant red mineral that could hold the energy of emotions.”

“Say wha’?” asked Rainbow Dash.

“It’s true,” Lyra said with a laugh. “Our sword is able to channel emotions. It’s charged up with the hopes and wishes of our creator, and we’re the embodiment of her dreams.” She blinked and looked down at Fluttershy. “I already said that, didn't I?”

Fluttershy fidgeted underneath Lyra’s weight. “Um, I know that my history records aren't really that large, but I don’t think I've ever heard of Dreamstone. Also, could you please—”

“That’s the problem,” said Bon Bon. “It was already a rare mineral long ago. Anymore, it’s practically unknown.”

Lyra shrugged and shook her head. “Yep. Finding some Dreamstone now is gonna be a huge pain in the flank.” She chuckled. “I mean, it’s too bad you girls aren't, like, time travelers. We could totally hop back in time and grab loads of the stuff.”

Rainbow Dash smirked at Lyra. Twilight Sparkle buried her face in her hooves.

“...What?”

“Yo, Doc!” Rainbow Dash called out upon landing on the cobblestone platform.

“Ah, Rainbow! How good to see you.” The Doctor stood beneath his lamppost, welcoming the four ponies as they descended along the column of light.

Trixie scowled. She was reclined on a cloud of silvery, glistening magic that gently drifted over the lamppost. “Great, the loud one is back.” She scooped up some of the magic cloud with her hooves and jammed it into her ears. “The Great and Powerful Trixie liked her better when she was fighting with her friends.” She stared at her hoof, losing herself in contemplation. “Or when she was pledging her fealty to Trixie.”

“So, how goes the quest?” The Doctor’s eyes danced from pony to pony. “Stopped the big bad yet, have we?”

“Oh. No, not yet.” The light of Fluttershy’s eyes hid behind her metallic pink mane. “Actually, we could use some assistance.”

“Splendid!” The Doctor caught himself, tapping his cheek with a hoof. “Err, not splendid that you’re stuck, mind you. Splendid that you’ve come here for help. After all, that’s why I’m here.”

“Of course! The Great and Powerful Trixie is willing to bestow her eons of knowledge with these poor, downtrotten lot.” Trixie flipped herself over and leered down at Rainbow Dash. “Did our little party leader forget how to use her kitchen knife? Pointy end goes in the bad guys, little filly.” She gasped in an exaggerated, theatrical manner. “Oh! Or did you forget how to drink again? Water goes in your ‘mouth.’ That’s the hole in your face that makes that hooves-on-chalkboard sound.”

She coolly eyed The Doctor, who was in the middle of giving her a particularly scathing glare. “What?” she asked. “That was funny. Don’t lie to Trixie.” She shrugged and rested her chin on the lip of the silver cloud.

Twilight Sparkle cleared her throat. “Anyway. We’re looking for a mineral called Dreamstone. Have you heard of it?”

“Did you say Dreamstone?” The Doctor’s eyes bulged. “Well, yes of course, I've heard of Dreamstone. How, pray tell, have you heard of Dreamstone?”

“Well, see,” Rainbow Dash said, nudging her head toward her own saddlebags, “we found this one sword that was made out of that stuff, and—”

“The Lyrabon?” The Doctor let out a raspy chuckle. “You found it? The Lyrabon, in 600 AD? And Lavos, that’s in 600 AD too, is it?” He held a hoof to his temple and shook his head. “Bugger me. What else is there in 600 AD? The Sun Stone? A few Skyway stations, perhaps?”

Rainbow Dash shared a wince with Twilight Sparkle. “Uh, what the hay is he talking about?”

The Doctor’s chuckle softened. He drooped his head forward, shaking it lightly to and fro. “Sorry, sorry. Bit carried away, there. Honestly, these types of coincidences shouldn't be the least bit surprising, by now.” He jerked his head upright, once more wearing his signature welcoming smile. “Right then! You need some Dreamstone. Now you might have gathered this by now, but it’s a fairly rare substance in the time periods that you’re acclimated to. No, if it’s Dreamstone you’re after, you’ll have to go back in time. Way back.”

“Oh! Trixie knows!” She winked out of existence from atop her cloud and reappeared a second later on the far platform, standing next to a column of light that the ponies had not yet traveled upon. Her face was aglow, with a twinkle in her eye and a smile stretching from dimple to dimple. “The prehistoric era! 65,000,000 BC, to be precise. You should be able to find more than enough Dreamstone back then.”

Rainbow Dash backpedaled a full three steps. She quickly looked to The Doctor.

He nodded. “Good call, Ms. Great and Powerful. Even in that era, Dreamstone was considered to be valuable, but at this junction it’s likely your best chance.”

Twilight Sparkle slowly approached the column while giving Trixie a sidelong glance. “You were insulting Dash less than a minute ago. Now you’re helping us?”

Trixie cringed. “The Great and Pow...” As her voice trailed off, she sighed and hung her head. “I mean, I-I’m sorry. I realize that I can be a bit, well, belligerent at times.” She looked up while biting her lip. “But my intentions are good, really! I’m only pushing you so hard because I want you to make an impact.” A faint blush appeared on her cheeks as she avoided making eye contact with Twilight Sparkle. “I am truly sorry. Consider this Gate to be my way of closing this chapter of our lives, permanently.”

Twilight Sparkle smiled gently and pulled Trixie into a soft embrace, nuzzling against her silvery mane.  “Thank you, Trixie,” she said as her friends stepped into the new light column.  “That was a very courageous thing for you to say.” She stepped back into the column and felt the currents of time slowly pull her into the past. “When we get back, I hope we can spend more time together and become good friends.”

Trixie beamed and waved farewell to the departing ponies. “Bon voyage! Watch your step!”

As the Gate closed behind them, the four ponies gasped at the majesty before them. The prehistoric landscape stretched out in every direction, cast in a golden glow from the immense setting sun. They could see for kilometers and kilometers from their high vantage point. Acres of lush forests spread around them, breaking way to rivers of crystal-blue which glistened with reflected sunlight. The land was raw, untamed and pristine in its beauty.

“Oh my,” said Fluttershy. “What a wonderful sunset.”

Twilight Sparkle’s eyes shimmered. “Wow, this era is amazing. Remind me to thank Trixie for sending us here.”

“I gotta admit, this is a pretty sweet view.” Rainbow Dash rubbed the back of her neck. “I mean, I think sunsets are boring and all, but if they’re your kind of thing, then this one is cool, I guess.”

Pinkie Pie’s eyes froze. Her tail began to wiggle and bounce in an erratic manner. “Twitchy tail?” she whispered.

A harrowing lull overtook the group. Their stomachs filled with a twisting, foreboding sense of dread. Slowly, inevitably, their gazes turned collectively downward, taking note of the incredible distance between their hooves and the ground.

“Remind me to strangle Trixie for sending us here,” Twilight Sparkle deadpanned.

The four friends screamed in unison as gravity finally claimed them, accelerating them toward an untimely reunion with the ground. Fluttershy’s positronic mind was the first to process the situation, but before her wing-jets could fully warm up, Rainbow Dash had opened her full wingspan instinctively. Below the two now-flying pegasi, Twilight Sparkle’s mind buzzed and her horn came alight. With a sharp grunt, a blast of magic flew below her and popped in a flash of light. When her vision cleared, she found herself cushioned by a glistening magenta cloud.

“Yaiiie!” Pinkie Pie continued both her scream and her freefall. Far below her, a flat, beige plain waited resolutely, threatening to embrace her with a fatal impact.

“Pinkie!” yelled Rainbow Dash. She tucked in her wings and dove hooves-first, plummeting past Twilight Sparkle.

Faster. Twi yelling something. Faster! Gotta save Pinkie. Two pony-lengths away. Ground closing in. Not enough time. One pony-length away. Quit flailing, dammit. Wind swirling around me. Almost there. So fast! My hoof slipped. Ground so close! Almost... There! Got her. Speed! Squeeze her tightly. Ground! Pull up, pull up, pull-up-pull-up-pull—

Twilight Sparkle and Fluttershy descended as quickly as they could, struggling to balance their speed and safety. The former hopped off her cloud first, planting a few deep hoofprints in the muddy surface. “Dash? Pinkie? Are you alright?” She sprinted toward their landing site.

Pinkie Pie giggled from her reclined position. “Hee hee, yup! That was a close one, but we are a-okay! Or I hope so, anyway. Aw, poor Dashie!” She laughed harder, rocking back and forth in the fetal position. She rested a dozen centimeters above a thick, murky mud pit, resting atop two cyan hooves that poked up from the ground. Behind them, a deep ravine had been carved into the muck by Rainbow Dash’s crash landing, and was slowly filling itself back in as it settled.

“Oh no, Rainbow Dash! Hold still. We’ll help you out.” Fluttershy trotted up to her friend’s submerged hooves and dug away at the mud surrounding them. Twilight Sparkle and Pinkie Pie assisted in scraping away the muck, and after a minute or two, a pegasus-shaped pile of mud stood beside them.

“Well,” said Rainbow Dash as a blob of gunk dripped from her chin, “that was not my coolest rescue.”

Pinkie Pie laughed and tried to clean her friend up. “Oh Dashie, you’re filthy!” Each scrape of her hoof pulled off part of the mess, but Rainbow Dash was still covered from head to hoof. “You’re gonna need a new nickname. Like Rain-brown Dirt. Or Mucky Dash.”

Twilight Sparkle winced and cast her eyes down and to the side. Her ears fell limp. “I’m just glad you’re okay,” she murmured.

“And what in blue blazes do ya think yer doin’?”

Everypony jerked upright, searching for the source of the booming cry. Atop a nearby rocky ledge, an orange earth pony glared down at them. Her blonde mane, bound in a ponytail and poking out from underneath a brown Stetson, flapped about upon a gust of wind. In lieu of saddlebags like the other ponies were wearing, the earth pony has a cord of rope coiled around her torso, nearly hiding her trio-of-apples cutie mark from view. She leapt down from ledge to ledge, descending the cliff at a dizzying rate.

“Ooo, a new pony!” Pinkie Pie bounced to the front of the group and offered a hoofshake. “Hi there! I’m—”

“Well?” yelled the earth pony. She advanced on Rainbow Dash, who backed herself against the cliff-side in return. “You gonna answer me, or you just gonna stand there with yer mouth hangin’ open like a nincompoop?”

“Hey, hold on.” Twilight Sparkle trotted over to her friend and held up a hoof defensively. “Who are you, even? You can’t just come up here and yell at my friends!”

The earth pony maintained her glare on Rainbow Dash for a moment longer, before sighing testily. She lifted a hoof to the brim of her hat and nodded to Twilight Sparkle. “Howdy. Name’s Applejack. I’ll make with the introductions proper-like in a minute, but first I gotta have a word with this one.” She stared back at Rainbow Dash for a moment, then slammed a hoof into the mud for emphasis. “Well?!”

Rainbow Dash quickly glanced at her friends, unable to meet the glare in front of her. “I-I’m sorry?”

“You should be!” Applejack jabbed her in her mud-covered chest. “You know how dangerous it is out here, and you know what my thoughts is. I can’t believe you would deliberately disobey me like that!”

“What?” She gulped and shook her head. “I didn't mean to—”

“Didn’t mean to?” Applejack’s jaw locked and she shouted through her teeth. “Didn't mean to? I've got half a mind to...” She turned away from Rainbow Dash, inhaled sharply, and held her breath. Her expression lightened as the seconds rolled by. After a pause, she released a gentle sigh and turned back to Rainbow Dash. “Look. You know why my britches are all up in a bunch, don’t you?”

“Uh...”

“Because I care ‘bout ya. It’s just so dangerous out here, and when you keep running off like this, I just, shoot...” Applejack bit her lip. “It eats me up inside. If something were to happen to you, I just don’t know what I’d do with myself.” She gently placed her hoof on Rainbow Dash’s shoulder. “Please. Please don’t make me suffer like this.”

“But, I...” She looked again to Twilight Sparkle, who could do nothing except wince and shrug. Rainbow Dash looked back at Applejack. Both her resolve and her confusion wavered as she stared into those shimmering green eyes. “Uh, okay, I guess. Sorry.”

Applejack’s mouth flipped up into a cute, tight smile. “Atta girl. You know I can’t stay mad atcha.” She chuckled and wiped some of the layers of mud off Rainbow Dash’s muzzle. “Now c’mere, you.”

Rainbow Dash’s eyes bulged. Her mind evaporated, no longer capable of putting together a coherent thought. All she had were sensations. A hoof massaged her withers, slipping and sliding over her mud-covered coat. Hot breath ran across her neck. A strong tongue flicked about inside her mouth, wrestling her own tongue.

Her best friend shrieked at the top of her lungs.

Applejack broke off the kiss and threw a death-glare at Twilight Sparkle. “D’ya mind? We ain't exactly puttin’ on a show here.”

Twilight Sparkle’s breaths were shallow and rapid. A shaky hoof tried desperately to stay pointed at Applejack and Rainbow Dash. She vocalized exactly what it was that she found to be so objectionable. “Gyuh... Beh... Dwi... Nggh!”

“Wuh... Bwa... Oeh...” agreed Rainbow Dash.

“Tsk, some ponies.” Applejack frowned and tugged on Rainbow Dash’s shoulder. “C’mon, DD, let’s get goin’.”

Pinkie Pie blinked. “DD?” She pointed her hoof at Rainbow Dash. “RD.”

Applejack cocked her head to the side. “What in tarnation?” She studied the mud-caked pony in front of her. With a loud hawk from the back of her throat, she spat onto her hoof, then rubbed vigorously on Rainbow Dash’s cheek, ignoring her whines of protest. As she wiped away the layers of grime, a bright patch of cyan appeared beneath her hoof. Applejack stared blankly at the cyan fur for a moment. Slowly, her own cheeks underwent a color change themselves, from orange to bright fuchsia. “Wait-a-minute, you ain't... and I just...” She brought a hoof to her lips as her blush only grew in intensity. “Oh my stars, I am so very, very sorry. Here I am, scoldin’ you and goin’ on like that, even though we was total strangers, and even goin’ so far as—” She whipped her hat off and buried her face into it. “Shoot, you must think I’m some sorta hussy.”

“Oh, um, no, not at all,” said Fluttershy. “After all, it was just an innocent case of mistaken identity. Right, Rainbow?”

“Taa...”

“We should really get you cleaned up, Dashie,” giggled Pinkie Pie. “Maybe I can use a spell to clean you up. Wait, no, that’s just ice. Hmm.” She rubbed her chin for a fraction of a second before her ears perked up again. “Ooo! I know. I’ll make some ice, and Twilight can make some fire to melt the ice, and then... Oh.” She grinned sheepishly. “That goes kaboomie, doesn't it? Hee hee, good thing we thought that through first, huh, Twilight?”

Twilight Sparkle stared straight ahead, her pointing forehoof still vibrating unsteadily.

Applejack returned her hat to its rightful place atop her head. “C’mon, let’s head back to my village and getcha cleaned up. Least I kin do for—” She spun around, crouched low, and hissed. “Shh. Y’hear that?” Her eyes narrowed from beneath the brim of her hat.

From a nearby valley, a cloud of dust rose into the air. From the distance, cries of rage grew in volume and clarity. As the dust cloud approached, Rainbow Dash could make out the forms of two dozen green monsters. They were quadrupedal lizards, nearly as big as a pony, covered from nose to tail in dull green scales. Sharp claws adorned their feet, sharp spines lined their backs, and sharp fangs filled their mouths.

“Shoot, more of them goons,” spat Applejack. She bit down on her rope and, with a sharp jerk of her head, unfurled it from around her torso. “Y’all git outta here while ya got the chance. Go on, now. Run for it.”

“Run?” Rainbow Dash said hollowly, her mind still trying to recover. “Why? What are you gonna do?”

Applejack smirked at her and winked. “Kick their flanks. Yee-haw!” She leapt into the pack of monsters, whirled around, and bucked two of them squarely in the jaws, sending them flying up into the air. With practiced motion, she flicked the rope in her mouth, spinning the lasso above her head. She hopped out of the path of one of the charging lizards and roped another, pulling it off its legs roughly.

Rainbow Dash looked back at her wings and gave them a tentative flap. Her feathers were coated with muck, making her movements heavy and clumsy. Snorting, she bit down into the mud on her back, ignoring the horrible taste, and extracted her katana. She leapt in after Applejack, running cleanly through one of the lizards and gashing another across its chest.

Applejack grinned at her as she hopped over a lizard’s tackle. “Thought I said to make a break for it.”

“What?” Rainbow Dash flipped onto her back and kicked a lizard in the gut as it sailed over her. “And let you have all the fun?”

Applejack bucked the airborne, winded lizard in the head, dropping it permanently. She chuckled. “You sure you ain't DD?”

 The remaining lizards were no match for the two ponies’ strength and resolve. After a dozen more of their comrades fell, the few survivors turned tail and ran, escaping back through the valley.

“Hoo-wee!” Applejack whipped her head around, sending her lasso spinning around her torso while her ponytail swung forward like a counterweight. She turned back toward Rainbow Dash. “Not many ponies who’ll go all out ‘gainst them lizardfolk. You sure are a feisty one, full of piss ‘n’ vinegar.”

“Yeah. I’m pretty awesome.” Rainbow Dash ran a hoof through her spiky mane. The sweat and exertion from the fight had stripped most of the mud away, revealing her rainbow hues. “I mean, you were really strong and all, but you need to learn some more radical moves. Gotta look good when you’re kicking butt. Know what I mean?”

Applejack smirked. “Or maybe, you should be more focused on gettin’ the job done, and less about looking flashy while ya do it.” She shared a quiet stare with Rainbow Dash, each mare sizing up the other. “Never did catch yer real name, by the by.”

“Yeah!” giggled Pinkie Pie. “You were too busy smooching each—”

“Rainbow Dash. I’m Rainbow Dash,” A light pink tinge crossed her cheeks. “And you said you were...”

“Applejack, that’s right.” She coughed. “Head of the Apple Family.” Her pupils dilated and her smile returned. “Speakin’ of, lemme extend our hospitality again and offer for you to get yourselves cleaned up at our village. Better yet, we could put together a bit of a celebration. It’s always a pleasure to meet another pony who ain't afraid to kick tail.”

Pinkie Pie gaped. “Whoa. Hold on a second. We just met you—”

“Yep, just now, though I didn't catch all y’all’s names yet.”

“—and you wanna be our friends—”

“Well sure! Y’all seem like right dependable folk, ‘specially this Rainbow gal.”

“—and you want to throw us a party?”

“A party? Well sure, I reckin so.” Applejack spun her hoof in a circle as she tried to find the proper words. “Sorta like a ‘Welcome to Apple Village, Pleased to Make Yer Acquaintances’ sorta party.”

Pinkie Pie walked up to Applejack and threw both her forelegs around her. She whispered in her ear, “I think you and me are going to be bestest of best friends.” She bounced backward and proceeded to energetically hop in place. “Lead the way, new best friend!”

“Sure thing,” said Applejack. “The village ain't more than a few minutes thisaway. Try to keep up!” With a laugh, she broke at a full gallop into the valley.

Pinkie Pie and Rainbow Dash raced after her. Fluttershy made to follow after them, but stopped herself suddenly. “Oh, um, Twilight? Are you coming with us?” She paused. “The others are getting ahead, so we should really, um...”

Twilight Sparkle stared straight ahead, mute. Her eyes had grown to the size of dinner plates.