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 The Variator building kit comes equipped with the following components: key, drive cone pulley, driven cone pulley, reducer, belt, pedal, body, and transmission fork. All 104 parts are made with eco-friendly, high-quality plywood precut with laser precision, allowing you to easily assemble this model without the need for glue, tools, or extra cutting. In just two hours, you will be able to discover the inner workings of the Variator. As an added bonus, this model kit comes equipped with a QR-code that gives you access to a learning guide for the Variator, along with a special AR UGears application that demonstrates how the Variator is used in real life.

Whether or not you are a motor enthusiast, the UGears STEM LAB Variator will inspire you to learn more about the intricate mechanisms that occur under the hood of your car. The hands-on assembly allows you to unconsciously improve your fine motor skills, while the completed build stimulates your mind. With both its aesthetic and fun appeal, the mechanical Variator is a great gift or personal treat for anyone. Grab a Variator today and feel your mental gears move!


  • Model Size: 6.6 x 5.0 x 4.2 in
  • Package size: 8.1 x 7.4 x 2.5 in
  • Number of parts: 104
  • Level: Easy
  • Assembly Time: 2 hours
  • Recommended Age: 8+
  • Kit weight: 1.11 lbs