Vortex cannon!

I was looking through some of our older videos and pictures and came across this. We did this back in March and had SO MUCH FUN. All you really need is some tape and a box. The plastic cups were so much fun to knock over. I think Kai was eventually able to do it himself. He also liked being “shot” with the cannon.

Find out how to make your own on Geek.com.

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