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Da Vinci Aerial Screw Kit

SKU:

S169101

|

UPC:

769188610028

$10.00

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Width:

11.00 (in)

Height:

9.00 (in)

Depth:

3.00 (in)

*The aerial screw designed by Leonardo da Vinci was a precursor of the modern day helicopter.

*Designed to compress air in order to obtain flight.