This instructable will teach you how to build a simple glider. I will also attempt to show the results of a slightly more elaborate build for a biplane and a helicopter.
Step 1: The Materials
1. Cardboard (I used a pizza box because my son is 2 and has small fingers. For performance the thinner cardboard of a cereal box would work better)
2. A writing utensil (Sharpie for me, please)
3. A cutting implement (I used scissors because my son wanted to help. An exacto knife would have given cleaner results)
4. A keyring ring (a paper clip would also work)
That was all that was necessary to make the basic glider. The slightly more advanced, and I use the term lightly, builds of the helicopters and the biplane also required the following.
6. Hot Glue Gun
7. Hot Glue Sticks