See science in action with the Mousetrap Racer Science Kit! This kit lets you make an amazing mousetrap racer that is part mousetrap, part car, and 100% fun. And better yet, it lets you learn -- or teach others -- all about converting potential energy into kinetic energy! The Mousetrap Racer Science Kit contains all the necessary parts to build a mousetrap racer, and has detailed instructions to help along the way and teach the science behind the project. The Mousetrap Racer Science Kit is recommended for ages 8 and up, and does not require batteries.