Construct a robot with unstoppable mechanical limbs that can climb over the roughest terrain Science takes a new direction! Now you can build your very own working robot and explore key scientific principles like energy, force and friction in the process. Scamper is simple and rewarding to build using reusable pre-formed plastic rivets. No glue or tools required!The TECHCARD line was designed by David Echold for use in home and school settings to teach design and technology, while encouraging exploration of key scientific principals like energy, force and friction while building the project. Designed to illustrate many magical aspects of our world, Fascinations products will cause you to react with amazement and ask What makes that work? or How is that possible? Parental Guidance Recommended.Requires 1 AA battery (not included). Type: Sets Gender: Unisex Age: Child,Teen,Adult