Here's a link Harold just sent me of his micro-ScoutWalker3. Gotta say, I haven't seen workmanship this tidy in a long time. Nice job...
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
Here's a link Harold just sent me of his micro-ScoutWalker3. Gotta say, I haven't seen workmanship this tidy in a long time. Nice job...
Herbie the Mousebot, that lovable robotic rodent of ours, is a pretty popular critter. Seeks light, avoids obstacles, chases other Herbies (when modified), and is generally a swell robo mus musculus. He doesn't whistle and can't quite drive a steamboat like certain other mice, but he's gets by alright. What most people probably don't know about […]
Check. This. Out. Don from Ontario sent this video our way, of a marble catapult machine he made that uses the GM18 30:1 Mini Metal Gearmotor. He goes into great detail on the mechanics and engineering, and the action starts around the 3:37 mark. We can't believe how intricate the design is, and can't even […]
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.
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.