Junkbots book review

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 […]

We've been having fun playing with the L293D driver chip. It's one of those things to see how much you can make it do by itself (like with any BEAM application!). Grant McKee has been experimenting with some simple additions to the chip to make it (unto itself) a suitable brain for a simple mini-sumo […]

Well, it's been a few weeks since the last update. We have a few big projects on the burner - we're not quite ready to make any announcements yet, but keep your eyes open in the next few months. But don't fret - there are some things we can share with you this week. For […]

These SCC2433b-MSE solar cells with the Miller Engine circuit on the back make it real easy to build a pulsing power source for your projects. These cells aren't quite as powerful as the SCC3733-MSE, but they're no slouches either! Check them out below!