Cheap Toy From Frys. Cost 5 bucks. Assembly took about 15 minutes.
Manual Switch on/off, no autonomous function, no remote controls & no turning
Removed Switch and Battery case, Replacing with housing/supports to hold:
- Larger Battery Pack (4x AA) $2
- Half-Size Breadboard $1.50
- L293D Motor Controller Chip $2.50
- Raspberry Pi Model B in Case $45
- A bunch of wires, zipties and superglue