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80% lower for can cannon.

Dennis in MA

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A few years ago, I bought some clear PVC. I had built, several years prior, 2 potato canons with my daughter for a science fair experiment. (Aqua Net. ALWAYS Aqua Net.)

Anyhow, I used the plans and some of the igniter parts from one of hte canons to build a CLEAR potato gun.

Firing at night - priceless.
 

Mesatchornug

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A few years ago, I bought some clear PVC. I had built, several years prior, 2 potato canons with my daughter for a science fair experiment. (Aqua Net. ALWAYS Aqua Net.)

Anyhow, I used the plans and some of the igniter parts from one of hte canons to build a CLEAR potato gun.

Firing at night - priceless.
View: https://www.youtube.com/watch?v=_TNSUIsjdpY
I keep wanting to build one for just that reason.
 
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