toys

Lo-tek R/C hovercraft

Lo-tek R/C hovercraft

Here’s an R/C hovercraft toy made mainly out of junkbox parts: The workings of a hovercraft are fairly straightforward: one high-power motor with an airplane propeller forces air down through the hole in the center, which pushes the bottom of the hovercraft off the ground. This greatly reduces friction, allowing the hovercraft to scoot around […]

Trossen contest winners

Trossen contest winners

Trossen Robotics has announced the winners of their latest Trossen Robotics Community building contest. This scratch-built Wall-E, by TRC member 4mem8, won first prize (a SG-5UT Robotic Arm). Trossen writes: We got to watch 4mem8 bring this guy to life and document every painstaking step that he took building this Wall-E robot from scratch. That’s […]

Domino run tips

Domino run tips

Mike Perrucci, aka Mazeguy, builds amazing domino runs – he’s even worked with Penn and Teller. His site has lots of info about building runs, including this Tips and Tricks page, where he shows you how to incorporate Slinkies, soda cans, and toilet paper. Great fun if you have a lot of time and a […]