Da Vinci helicopter
- SKU:
- 8809258923039
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Description
Da Vinci helicopter
the kit is a replica of Da Vinci's Ariel Screw design, a forerunner of the modern helicopter.
structurally unable to fly, Da Vinci design stimulated curiosity about the possiblitiy of vertaical flight, A mechanical spring controls rotations and cover tail movement of the fuselage
no glue, no paint no batteries
14+
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