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Just completed the Tamiya "Remote Control Robot Construction Set (Crawler Type)" kit, which you can find here: http://www.tamiya.com/english/products/70170crawlertype/index.htm Nothing exciting, but I figured it was a place to start, and I could re-use some parts. I'll try to add some brains to this when my Picaxe kit arrives.
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/shovel-head-fred-incredibly-lame