Create a robotic racer using the 4M salt water powered robot kit. This robot kit is a hands-on learning experience that illustrates the value of alternate energy sources. The robot is powered by the chemical reaction of salt water and charcoal, and is safe and non-toxic. This kit contains all the parts and materials needed to create a salt-water powered robot.Details:MulticoloredSalt water poweredSafe and nontoxicDetailed assembly instructions includedRecommended for ages 8 years and up