UGears Mechanical Plywood Models – STEM Lab Randomizer – #121201


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SKU: 121201 Category:


STEM Lab Randomizer

The Variator is a device that transfers and adjusts the engine torque by changing the ratio of gears. Gear ratio can change automatically, manually or within a pre-set program. The term that most drivers and automobile enthusiasts are more accustomed with is Continuously Variable Transmission, or CVT. With DIY wooden puzzle Variator from the STEM lab collection you can learn and comprehend one of the most important parts of a car without soiling your hands in machine oil!

160 Parts

Model Size: 6.81 x 4.8 x 5.2 in (17.3 x 12.2 x 13.2 cm)
Package size: 8.1 x 7.4 x 2.5 in (20.5 x 18.8 x 6.3 cm)

The Mechanism of the Random Generator is composed of:

  • Button
  • Rack-and-gear drive
  • Overrunning clutch
  • Driven wheel
  • Three-axle gear
  • Cube
  • Internal octahedron