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Science and Nature

Da Vinci Helicopter

Da Vinci Helicopter

Regular price $39.99
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Leonardo da Vinci developed concepts for a giant air screw late in the 15th century. While today's scientists believe the design wouldn't fly, this model is a realistic scaled representation his design. It includes da Vinci gears, a helical sail and a crank. It also integrates well with figurines and can be painted or oiled.

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