Fun & Games

The latest DIY ideas, techniques and tools for bikes, rockets, R/C vehicles, toys and other diversions.

Maker Camp: Extreme Marshmallow Cannons with Joey Hudy

Maker Camp: Extreme Marshmallow Cannons with Joey Hudy

Week 6, Tinkering Tuesday at Maker Camp. Joe Hudy shows us how to make a marshmallow cannon out of pvc piping and an air compressor.

Maker Camp, sponsored by MAKE magazine, was a virtual summer camp for teens, with a focus on creating, building, and discovering.From July 16th through August 24th, 2012, 30 awesome projects were made in 30 days, on Google+. Maker Camp is free and open to all.

Visit Makezine.com/maker-camp for more information.

Instructions for Joe Hudy’s Marshmallow Cannon: http://makeprojects.com/Project/Extreme-Marshmallow-Cannon/961/1

Etching Metalized Plastic

Etching Metalized Plastic

I have been hacking on some cheap R/C cars, lately, and wanted to etch metal films off of a few of the bits. I knew that the usual strong acid and base suspects would remove it, but many folks don’t keep these substances around, for whatever reasons. I got curious about milder etchants, and did a simple test with some household chemicals.