This Motion Sensor-Powered Scooter Takes Off With a Kick

[henrytcasey]

With a kick of momentum, the Emicro One's DC motor came alive, and propelled me around the show floor.

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[nukemaster]

While not that slim(lead-acid battery and all), I have seen those things 5 or so years back. It would not start unless you had it rolling as a safety. I think it had the same weight restriction too.