Zanda Humphrey's big sweet invention

Zanda Humphrey is a fourth grader, a scientist, and creator of one great invention after the other. In Big Sweet Invention, Zanda unveils the Cake-o-matic--the world's first magic cupcake-making machine. After a few scientific set backs, the Cake-o-matic springs to life, just in time to save her little brother Phee from yet another mishap. Join Zanda in her lab and experience boiling potions, magic powders, and big sweet explosions.