Are you aware that the average motorcycle weighs several hundred pounds and is designed for someone between 5' 8" and 6' 0"? Clearly, full-sized motorcycles will be unmanageable for the future rider--someone who measures between three and four feet in height.
The average pocket bike, however, weighs well under 200 pounds and can comfortably accommodate someone who stands between three and four feet tall. In other words, pocket bikes are well equipped to stand the test of time.
Enjoy the video below, which shows people between three and four feet performing amazing feats on pocket bikes.