ScoutWalker III sold out!

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 […]

Alriiiight. This week we've got a small handful of new plastic pinions (not to be confused with plastic onions) from Didel. These little units are great for sliding onto pager motors and mating to other gears. 0.71mm 6-Tooth Pinion 0.81mm 9-Tooth Pinion 0.78mm 12-Tooth Pinion 0.82mm 12-Tooth Pinion And, as promised last week, we've got […]

As of early September the trees learned how to shed leaves. They were so graceful and efficient, that I start to wonder if they have an MFA in Shedding Leaves. Now, the question is - did they create this white stuff that now lies on the ground as well? Because if they did, they didn’t […]

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!