Junkbots book review

We will be so emotionally moved by the celebration of GPS Day tomorrow (the 14th) that we'll be taking Monday, February 16th off to recuperate. Go ahead and place orders or send emails - we'll get right back to you and continue shipping on Tuesday when we resume all business as usual. If you want […]

Well today we are presenting things! Here's how they work. GSM shield comes supplied with a sticker that you can draw a little arrow on it, and then you mount the shield on a stick, and it will show the direction of where you have to go. To set the direction whisper your exact latitude […]

The following instructions detail how to build a simple pummer using a BC2 (Bicore) BEP (Bicore Experimenter PCB). A pummer is a solar powered self activating LED flasher. The difference between a pummer and a BLFNAR (blinky light for no apparent reason) is that a pummer has a soft turn off, which means that it turns on fast, but slowly fades away.

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 […]