SunSwingers

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 compact but large enough for easy mechanical assembly. Pre-order yours […]

Effective immediately, all the proceeds from the sale of Zendulum kits will be going to the Red Cross efforts in Japan. We'll change up the Zendulum laser artwork to note it as such shortly, and post the new pic. (Done!) Fractured Hinomaru inspired by James White's "Help Japan" poster.

Solarbotics and the Useless Box have been mentioned in the Wall Street Journal article "Looking for Something Useful to Do With Your Time? Don't Try This"! It is dedicated to the historical overview of the uselessness starting with its invention in the 1950s to nowadays. The useless box can take many guises, names and materials […]

Here they come: The GM11a, GM12a, GM13a, GM14a, and the GM18. These motors are very similar to the GM11/12/13/14 series you know and love, but for less money!