Teach Tech Rivet-Rex 12 Solar Hydraulic Robot

Start your young engineer on their road to discovery with Rivet-Rex 12. Kit contains unique components and parts to construct 8 animals and 4 robots that move in various ways. Detailed instructions take kids through each step of building the different designs (one at a time). Plus, they will learn about solar power with the included, extra large photovoltaic cell. Powered by sun and water, there are no batteries needed. Once all 12 models are complete, creativity can take over as kids build their own models. Sizes of models range from 4-3/8 x 3-1/2 x 4-1/4" (Obstacle Avoiding Rover) to 9x9x10" (Pterosaur). For ages 10 and up.