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Description
Learn why some things float while others do not, what buoyancy means, and how propellers and sails work by building different boats and watercraft. 16-page color guidebook.
WARNING! CHOKING HAZARD — Small parts. Not for children under 3 yrs. Toy contains a small ball. Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.
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