How to make a simple gun that shoots ping-pong balls from
danger level
* negligible
* moderate
* high
* do not do this
tools
* F. Knife
materials
* A. Paper towel tube
* B. Utility lighter
* C. Hair spray (aerosol)
* D. Duct tape
* E. Ping-pong ball
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Click here to watch the video Submitted By: neewpali Tags: Ball Guns Ping Ping-pong Pistol Pong Shoot Categories: How To Science & Tech
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