4 years & up. Create machines that really move with this Gears! Gears! Gears!® Machines in Motion set by Learning Resources. This open-ended building set allows your little engineer to hone their STEM skills such as critical thinking and trial and error. Use the instructions to build a variety of interactive machines and vehicles or make exciting creations of your own. If you build it correctly nothing will need batteries -- just crank the gears and watch your masterpieces go, go, go! Interchangeable parts work with all other Gears! Gears! Gears!® sets by Learning Resources. Included: 116 pieces in all with special parts like: a wrecking ball, chains, pulleys, and wheels.
