We've been trying to Make Something Useless Useful since 2012. In order to do that we've been donating a percentage of past sales of the Useless Box to Plan Canada. In year 2013 $5,000 went to Plan Canada' Gift of Hope School Construction in Honduras.
The Solarbotics GraviTrack Marble Machin...
Solar botics
September 22, 2017
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 here: Solar Edition & Battery Edition
Click here for full feature list on Solar Edition GraviTrack
Click here for full feature list on Battery Edition GraviTrack
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Holiday Hours
This may come as a bit of a shock to you, but the hands that package your orders actually belong to humans. Sure, we may be a robot company, but robo-hands just aren't quite up to spec for what we need to do. So for the moment we're staffed by a contingent of mortals, and […]
Solarbotics has been operating for more than 25 years, bringing electronics know-how and supplies to both the electronics professional and hobbyist. We'll be happy to help you too!
Solarbotics, Ltd. is not responsible for misprints or errors on product prices or information. For more information, please see our Terms and Conditions.
Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.