Description
Ultra Foam is only a few times more dense than air itself, so walkalong gliders made from it fly VERY slowly.
Get Ultra Foam gliders here https://sciencetoymaker.org/airsurf/glider-store/
or here if YouTube cuts off the URL http://bit.ly/2K5gCps
Learn to fly gliders here https://youtu.be/PPNTlilxGF0
Thanks to Mike Duran for footage of Ben Saks' indoor flight
http://bit.ly/31g6mQQ