Comment Toy Gun I saw in Scientific America (Score 2, Informative) 306
Flipping through the back pages of SA while at the dentist office, I saw this neat gun the blows fog rings lit up by blue leds. They even have an Airzooka verison.
I've never been canoeing before, but I imagine there must be just a few simple heuristics you have to remember... Yes, don't fall out, and don't hit rocks.
