Grades PRE-K and up. Children will love using the Design & Drill Activity Center to create their own designs, or following the sets colorful activity cards to make pictures and patterns from trains and boats to flowers and fish. Just snap any one of the drill bits into the reversible power drill or the screwdriver handle, grab a handful of big bolts, and turn on the learning fun. Twenty colorful activity cards (10 make-a-picture cards and 9 follow-the-pattern cards) provide young learners with tasks from simple to challenging. Complete set includes one reproducible blank grid for make-your-own card fun.