What are those electric powered scooter things that old people like to use?

Question

it is balanced, and if you lean forward it moves forward, and if you lean backward it moves backward.

Answer 1

You may be thinking of a Segway that is balanced by a gyroscope.  As you must stand on it, senior citizens and other handicapped people do not use it.  They use 3 or 4 wheeled scooters powered by batteries.  To move forward or backward, you push a lever forward or backward like an up/down stick on an airplane.

Answer 2

dirt bikes man!!!!!!!!!!!!!!!!!

Answer 3

Maybe a Segway

http://www.segway.com/