Science Museum Experimental Gear Kit, This Product uses Racks, Belts, Turbines, Worm Gears, Bevel Gears, Spur Gears and other Transmission Methods to Understand the Advantages and Disadvantages of Each. Age 8+
This product uses racks, belts, turbines, worm gears, bevel gears, spur gears and other transmission methods to understand the advantages and disadvantages of various transmission devices through experiments, such as noise, transmission ratio and changes in transmission direction.
