Your challenge: Turn a plastic straw and 2 paper hoops into a flying machine. Then add more hoops or change their sizes. Experiment with this glider for a hands-on demonstration of "drag."
Source: Science Bob
How can you make two paper hoops fly?
Source: Library Lab
These airplanes are so easy and fun to make!
Source: Room to Grow: Craft Activities for Kids
The Incredible Hoop Glider!
Hoop gliders are pretty cool cause they look like they shouldn’t really be able to fly as well as they do.