"That explains the colour, too," she says, looking pleased. "Here, I'll try again."

The next popsicle she creates is the same shade of pink as the first—a little too light and not purple enough for unadulterated raspberry—and when she tries it, it is indeed raspberry-banana. Emphasis on the banana.

"That's a really weird way for a spell to go wrong," she says thoughtfully. "But at least it's a tasty one!"