Takara Tomy earlier this year released a new line of miniature walking robots called ROBO-Q. They are billed as the world’s smallest consumer robot standing at 3.5 cm tall.

The robot is slightly bigger than a 100 Yen coin or about the size of your thumb. They can be remotely controlled and charged. The charge lasts for about 3 minutes of walking time.

Here is a good link to more info from botjunkie.com:
http://www.botjunkie.com/2008/10/13/tomy-robo-q-is-34-centimeters-of-bipedaliciousness/

Japan has long had a reputation for miniaturization in electronics. This is another good example of that skill in a toy that retails for about 3,600 Yen.

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