Pretty cool, using a soda bottle and a balloon to make a container to push out smoke rings with.
http://www.instructables.com/id/How-to-Create-Smoke-Rings-Without-Vaping/
Pretty cool, using a soda bottle and a balloon to make a container to push out smoke rings with.
http://www.instructables.com/id/How-to-Create-Smoke-Rings-Without-Vaping/