DESCRIPTION: The engineer in Leonardo da Vinci was always willing to tackle big projects. He simplified jobs with cranes for lifting, platforms for raising and lowering, and devices to measure long distances. You build all three based on his ideas and then explore the dynamics of the arches that he used with great success. Made in the USA by Wild Goose Company. For ages 8 to adult.
CONDITION: Brand new, unused in the original sealed box (box is slightly crushed but contents should be fine).
$20 cash. Shipping option is available.
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