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Ugears Variator Stem Lab

Assemble and discover the operating principle of the Variator. The model comes with a QR code that tells you more about the mechanism, the principle of operation, the main features, formulas and gives interesting commands. Dive into augmented reality and see how the random generator works. Communicate with the model via Ugears’ special AR application

The roots of the modern automotive CVT (continuously variable transmission) go back to 1879, when an American entrepreneur and automotive pioneer Milton Othello Reeves invented a device for use in sawmills that he called a variable-speed transmission. Later, he began mounting this transmission on his cars. The Reeves CVT was also used by several other manufacturers. The Variator is a device that transmits and adjusts engine torque by changing the gear ratio. The gear ratio can be changed automatically, manually or within a preset program. The term most drivers and car enthusiasts are more accustomed to is continuously variable transmission or CVT. With the Ugears Variator model from the STEM Lab collection, you will learn to understand one of the most important parts of a car without getting your hands dirty with engine oil! The CVT is used in mechanisms, where a continuous range of gear ratios must be changed seamlessly: cars, scooters, snowmobiles, quad bikes, conveyors, metal cutting machines, etc. To get a better idea of how it is used in different types of equipment, try the AR application that comes with the Ugears STEM model.

Dimensions: 16.8 x 12.8 x 10.6 cm
Package size: 20.5 x 18.8 x 6.3 cm
Number of parts: 104
Estimated assembly time: 2.5 hours

Additional information

Weight 502 g
Dimensions 205 × 188 × 63 mm

Model making brands


Model building collection


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Model building incl. glue


Model building incl. paint


Use model making glue


Mechanical model making


Model building character

Model building € 10 – € 25


5 in stock

Delivery time: In almost all cases, on weekdays ordered before 11:30 p.m., tomorrow at home. It is possible in some cases that due to circumstances, delivery may be delayed. If so, please feel free to contact us.

Delivery options: When completing the order, you will see which delivery option is available to you.


Ordered before 11:30 p.m,
delivered tomorrow

Free Shipping
From €50.

Rich offerings in
educational toy

Buy Now,
pay later

Ugears Variator Stem Lab




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