Imagine a Segway without a handlebar, and you've got the Mini Smart self-balancing scooter. It's all the rage, and these nifty little scooters are typically thousands of dollars. This is what makes this unabashed knockoff of the original so great: it's only $400.

This article on Wired tells us that the original--and really expensive--scooter is called the IO Hawk, at least before a slew of cheaper versions surfaced.

Enter the "Two Wheels Smart Self Balancing Scooters Drifting Board Electric Personal Transporter" on Amazon. It'll top out at about 6 mph, and the battery lasts around 15 hours.