100 grit

Operating Railroad Grade Crossing Signal

Operating Railroad Grade Crossing Signal

It seems that no matter how much things change, one thing that is always constant is a kid’s fascination with all things trains. When my son was about 4 years old he was fascinated by passing trains. Even more captivating to him was the railroad crossing signals which would flash and ring to announce a […]

MonoBox Powered Speaker

MonoBox Powered Speaker

Learn how to build inexpensive powered speakers that amplify the output of your headphone music player. It may be small, but this speaker can still rock!

Steam-Powered BoilerBot

Steam-Powered BoilerBot

You may be familiar with the battery-powered, pager motor-driven, toothbrush head bristle bot. This project turns that modern classic into a retro-fantastic, Steampunk delight by replacing the battery with a fire stoked steam boiler, the pager motor with a single-action, oscillating piston steam engine, and the toothbrush head with a pair of wire brushes!