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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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Mechanical constructor The Variator is a fully functional wooden model of the variator.

 

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The Curvimeter is used to measure the length of curved lines on topographic maps, charts, schemes, and plans. It is a common tool for map-makers, tourists, and road services.

 

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The original imitation of a table clock. This model has a steampunk design, easy to assemble and suitable for beginner constructors!

 

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