”http://www.youtube.com/watch?v=kf4UW2H5tsw&feature=youtube_gdata”
Shoot rings of smoke across the room with a Vortex Cannon!
Weekend Project: How to Make a Vortex Cannon
”http://www.youtube.com/watch?v=kf4UW2H5tsw&feature=youtube_gdata”
Shoot rings of smoke across the room with a Vortex Cannon!
