Smartivity STEMwheels Stunt Demon - Ready, set, go! Get familiar with the concept of motion, elasticity and momentum faster than your car can race past the finish line. Smartivitys Stem Wheels educational DIY learning toy takes adrenaline rush to the next level. Build your own car, load it into the launcher and watch it go zoom! Challenge your friends to a race and compete for the title of the master racer! S. T. E. M. principles your child will learn through play - Elasticity, Momentum, Motion (includes 2 richly illustrated, easy-to-understand, step-by-step Instruction Booklets) For Ages: 6 years and older D.I.Y. Time: 45 min | Play Time: Infinite Skills Developed: Analytical Skills, Creativity, Motor Skills, Practical Skills