SmartLab Toys Blast-Off Rocket Racer Includes a build -your-own mini rocket racer, featuring a sleek aerodynamic design and large wheels for maneuverablity The racer body is see-through for a closer look at the chemical reaction in action It also comes with the stomp-pad launcher so kids control the movement of blast off More than just a toy and book, SmartLab products satisfy and engage a child's curiosity Science becomes an adventure