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With individual engraving on the back side at your request.
In stock
$ 24
The fun and educational alternative to the classic coin solution. Now you have an answer to any question with a 3D Randomizer.
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Make your own Counter and count everything you want!
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$ 22
Differentials are used mainly in cars as a part of the transmission mechanism. They improve maneuvrability and performance of a car.
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$ 22
A gearbox is mainly used in the automobile industry as a part of the car transmission mechanism that transfers torque from the engine's shaft to the wheels.
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$ 22
Assemble the Arithmetic Kit and discover how the Mechanical Addiator and Mechanical Multiplier work.
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$ 22
Tachometer 3D constructor is a fully functional wooden model of a tachometer.
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