What did kids play with before electricity? Sure, there were wind-up toys, but those must have gotten boring after a while. In this camp, you'll create gizmos that spin, wobble, and whiz. You'll make gadgets that fling, swing, glide, and collide - all without the use of motors or batteries! If you like nerf wars, you'll love our dart launcher battle. Want to go for a spin? Maybe you'll win the race with our CD race car! You'll explore how these contraptions work, and how you can make them better.