Leonardo da Vinci, Aerial Screw Model from Doyusha Toys (Japan). Writing on box is in English and Japanese.

Model is 5.5" high and the screw is 6.5" in diameter. The main structure of the screw is in four pieces. The figures, string, and a connecting rod are enclosed in a plastic bag. Figure parts and packaging, including instruction manual in Japanese, are in excellent condition.

Box is 10.5" W x 3.5" D x 8.75"H

*This reproduction is part of a collection of objects used for instruction in museum curation and as an example of sacred world art.