This video has been switched to the MAKE channel https://youtu.be/ynWZ7q9ZDa8

The pattern is here http://bit.ly/2UILrFa Video to make a cardboard case for your boomerangs is here https://youtu.be/42FR6TAzEgA Mass production of this boomerang here https://youtu.be/6_xhgcKnRLU