http://www.thinkgeek.com/f2e8?cpg=yt
-Bluetooth-controlled, open-source robot
-White or black - it's a surprise!
-Tank-style caterpillar tracks
-Compatible with iPhones, iPads, Android - any Bluetooth 2.0-enabled smart device
-Comes pre-programmed to drive around, move arms and head, play back sound files, dance to music, and react to smart device notifications
-Micro gearbox motors including:
-Left track motion drive for moving around
-Right track motion drive for moving around
-Left arm with analog position sensor
-Right arm with analog position sensor
-Head turning left and right with analog position sensor
-6 LEDs in the eyes
-2 LEDs for the headphones (can light up to music)
-Infrared optical navigation system for autonomous navigation (2 IR transmitters, 1 IR receiver - detection range 3" - 5")
-Battery: 500mAh LiPo rechargeable (3-5 hours of normal use, charges via mini USB port)
-Onboard advanced system on a chip (SOC) with updateable firmware, and updates, stored in onboard FLASH memory for taking care of low level program routines
-SD Card slot for program low level program routine updates and for storing motion tables and program instructions
-Onboard speaker
-Included: one white or black Bero, SD card
-Dimensions: 4" tall