Subcategories 3

Air Travelers
[ Kids/Teens ] An introduction to the basic principles of buoyancy, properties of gases, temperature, and the technology involved in hot air ballooning. Includes movies and pictures, related links, activities and lesson plans.
Paper Airplanes
[ Kids ] Patterns for folding, aerodynamics, records, history, links, and contests.
[Flying Mozilla]
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October 27, 2014 at 1:47:14 UTC
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