This Coin-Firing Cardboard Pistol Turns Pocket Change Into Ammo

Tweaking the design of his bizarre pump-action Oreo gun, Joerg Sprave has built a smaller version designed to take office warfare to the next level (if the next level is a long two-hour talk with human resources). Made only using stuff you'd find around the office — like cardboard, glue, staples and rubber bands — the pump-gun is able to fire coins or M5 washers.

It even has a 12-coin magazine so you don't have to waste time constantly reloading in the heat of battle, and the rounds are strong enough to pierce a cardboard box or leave one heck of a bruise on your unfortunate target. The only catch? Who's willing to waste their pocket change for war when there are vending machines to be pillaged?

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