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> Use string, a paper napkin, and a small weight. such as a one-inch wood cube, to make a parachute. Drop it off the porch if it's high enough, or wad it up and throw it into the air. Sometimes figuring out what works best is a real challenge.
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Also, who can make a parachute for the raw egg commando? is a good variant, if messy.

And who can make a paper plane fly furthest?

Bo"explaining the concept of dihedral to an eight year old made the hours fly by"urne