A working BMO robot complete with Arduino, accelerometer, distance sensor, buttons, and audio playback. I have been working on personality right now but you could of course add music playback and games too.
Videos, resources, and blog post can be found at http://www.electronhacks.com/2014/09/diy-arduino-mini-bmo/
If the buttons are a little tight or loose depending on your printer simply scale the parts a little before slicing.
Remember to come back and post what you've printed as Make.
It's good for the designer and the community (that means you)!
To post a Make, come back to this Thing and click Post a Make.
Or, you can use the Thingiverse Mobile app found on
and the Apple App Store.