The dangerous thing we’re building today…

Yup, it’s true, we’re building something moderately dangerous today: a penny shooter. As in, launch real pennies 15 feet across the room and potentially take your sister’s eye out (or knock over a glass of milk and make mom laugh out loud at the clichéd nature of the experience).

You can see it in action here…

…and get directions to build your own (and a catapult too!) at Cardnetics.com:

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