The Ukrainian project Time 4 Machine has already united nearly 2,800 backers and raised more than $430,000 on Kickstarter, the world's largest funding platform for creative projects.

According to the Kickstarter website, the Ukrainian development is a set of 3D metal puzzles, from which you can assemble miniature models of aircraft, train, tractor, tank, or several cars.

All models include small parts (doors open, propellers spin, etc.) and are launched by the mechanical spring.

Models now cost from $18 to $112. The price of the full set is $432.

Interestingly, Time 4 Machine developers set themselves the goal of collecting $15,000, but within 24 hours they almost doubled this figure, having raised $28,000. In general, they have already raised $431,158.

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