"You wanted to see me? To give me a test? I brought my own quills and plenty of paper to show my work." Twilight Sparkle teleported her supplies into the royal throne room, quills, paper... and more, much more. By the time the flashes stopped, she'd moved three complete writing desks in, one set up for magic, one for history, and another for mathematics.
"This is a different kind of test." Celestia sent all the supplies away again with a wave of her hoof and another series of teleportation flashes. "The Crystal Empire has returned."
Twilight nodded sagely. "Ah, the Crystal Empire. I've read all about it."
"Princess Cadance and Shining Armor are already there."
"How'd they get there so fast?" Twilight shook her head. "Ah well, no time to waste. Time to start the Crystal Fair!"
Celestia nodded and Twilight vanished in another flash of teleportation.
One more massive burst later, and she had all her friends standing safely in the open courtyard below the Crystal Castle.
"Okay, everyone. Each of you has a page of instructions to carry out to get the fair going. I need to go recharge Cadance's magic to make sure she can maintain the dome. Go!"