Razor offers a line of retro styled pocket scooters for grownups (max weight 175lbs) as well as kids 12 and older.

The top model is the Pocket Mod Vapor Electric Scooter (photo). The top speed of this electric pocket scooter is 15mph. The 250W/24V electric motor takes you 10 miles on a single charge.
To charge the battery pack, plug directly into a standard outlet for about 8 hours.

The Pocket Mod Vapor Electric Scooter by Razor is 4' 4" long and weighs 75lbs. It is of course illegal to drive this mini scooter on the public streets and always wear a helmet.

Sharper Image sells it for $289.95.

The Razor Pocket Mod Bistro Scooter shown below sells for $189.99 on Amazon.com. Amazon also has other models on sale.