Leonardo Da Vinci developed concepts for a giant air screw late in the 15th century. This wooden working model uses a bevel gear, also from his drawings, to spin the canopy and support structure, illustrating the way Leonardo thought flight might be possible.
All pieces are made from sustainable timber, and pre-cut and pre-drilled to make assembly simple. Perfect for all mini engineers interested in the basic mechanism of the aerial screw who prefer to learn by 'doing' and building with their hands.
Recommended for ages 9+ years. Not suitable for children 3 years and under due to small pieces.
The finished product measures approximately 38cm x 23cm.
