New Catalog!

Our GraviTrack Marble Machine Kit is our newest addition to the Marble-Drop mechanism family. Elegant, swooping hands pass marbles to each other to the top of a sweeping multi-level track, available in either solar or battery configuration! Approximately twice as wide as our spiral Solar or Battery Marble machine kits, the GraviTrack is still desk-top […]

This is a neat little one-chip circuit we originally tuned for use with our "SM1" Stepper motors. We've presently sold out of the motor, but this circuit has proved to be a good unidirectional (1-way) driver for small stepper motors.

We just received word that the book that we had heavy involvement with is nearing distribution! Keep an eye out for "Junkbots, Bugbots, and Bots on Wheels: Building Simple Robots with BEAM Technology" (ISBN: 0072226013). It's officially supposed to be out October 8th, but word is that it's presently in the warehouse! (YES, of course […]

Fun fact: The Friday before Easter used to be just like any other day of the week. But then they ('they' who? THE GREAT THEY, THAT'S WHO) decided that no, this Friday should be set apart from all the other Fridays of the year. So they tried attaching different names. First was Bad Friday, which […]