Hi all! We've distilled this year's solar cell summer-solstice tests into a nice, pretty set of PDF files. Want to know the power curves of our solarcells? Check it out here!
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
Hi all! We've distilled this year's solar cell summer-solstice tests into a nice, pretty set of PDF files. Want to know the power curves of our solarcells? Check it out here!
Hi all. Yup, time for another long weekend! We'll be back to it Tuesday morning, so until then, keep them solar cells clean!
Due to the unusual circumstance of several large volume orders coming through, SolarSpeeders are sold out! Our apologies - we're working on getting more together ASAP. Hopefully by the end of July.
As Valentine's Day is fast approaching and the geeky internets are full various fuzzy, sugary, and/or blinky items of unknown nature in different shades of red and pink... We find ourselves with nothing to say on that particular topic. Instead, we bring you a double dose of new product, check it out: Arduino Micro $24.95 […]
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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.