Christmas Holiday Schedule - 2019

Want a bumble-bee look to your robot tank? Intersperse our new GMT-Yellow treads into the link chain! You should even be able to use a yellow link as a opto-reflector in a wheel (err...tread?) encoder circuit. ALSO, we're the only place in North America you can get these new yellow tread links!

I can't imagine why, but some people want to use these push pogo pins for other uses than robot appendages. Or battery contacts. Apparently they're really good for something called "JTAG applications" too, but I'll leave that up to you to decide. Scroll down to see them listed in the "New Items" column.

We are happy to announce the arrival of the Battery Edition Marble Machine. Starting today it is available at our website for backorder, and will be fully available for purchase starting tomorrow May 16. You are probably familiar with its older cousin, the Solar Marble Machine that has a clever circuit that delivers short bursts […]

Inspired by the Ice Bulb published on Instructables, we decided to create our own version. Ice bulb suggests that we use a balloon to shape the ice and before it freezes, add an LED so that it can glow. Since we decided to use a whole bunch of LEDs (on a string), we opted to […]