Dexter's Laboratory Science Fair Showdown Author:Genndy Tartakovsky, Chip Lovitt This book contains real science experiments for kids to do at home, set in the world of Dexter. It's Dexter vs. his archrival Mandark at the annual school science fair. But sweet Dee-Dee also enters the competition. Who will win? Each character does an experiment, and then explains how it works, in kid-friendly language.