Gears! Gears! Gears! Machines in Motion by Learning Resources
Build machines both real and imaginary! Kids will enhance their critical thinking and fine motor skills as they build machines that really move. This open-ended Gears! building set pairs propellers, axles and wheels with the pulleys, chains and gears needed to make them go. Includes instructions for engineering-themed creations. Interchangeable with other Gears! sets. 116 pieces. For ages 5 and up.