This learn-by-experimenting activity book includes 52 fun activities that allow young kids to solve problems, make mistakes, get creative, and most of all, have tons of fun! Whether you want to create a balloon-powered LEGO car, power an LED light with fruit, or build your own puppet theater, this book has something for every preschooler. The activities in this book feature materials needed, step-by-step instructions with illustrations, fun facts, further explorations, and any needed safety precautions.