It's $199.99, down from $249.99. If you have a budding astro-engineer in need of a rover pal for the holidays, Amazon has cut the price of the Sphero RVR Coding Robot by 20% this holiday season ...

The Funnest Way to Learn Raspberry Pi…If You Aren’t Afraid of Robot Dogs Right now, you can get the complete kit (minus the Pi board) for $149.99, which is $30 off retail.