描述
By: Klutz | Age: 8-12 | English | Page: 78 + props | Paperback | 22.9 x 25.4 cm | STEAM Series
Make, experiment, and play! This activity kit will have you building 11 machines including a gravity powered car and a wacky boxing robot. The fun doesn't stop once you've completed all of the projects in the book - open-ended prompts will inspire you to continue experimenting with your own designs and modifications!