With this STEM kit, kids can learn how engines work while building their own. The set includes more than 175 pieces, including pistons, gears, valves, and gears, which rev to life at the press of a button. It also features a learning guide that walks builders through key mechanical and engineering concepts.
Buy Now
The Toy Insider participates in affiliate programs that may generate revenue for the site when a purchase is made through the links below.
