Cleary Starfish 12"

Ridiculously light
Quick release front wheel, 5mm Allen bolt on rear wheel
Fully adjustable saddle and handlebars will last at least one growth spurt
Semi-slick tires
Slim, junior race-style bike saddle designed to maximize a rider’s range of motion while minimizing chafing
Quick-release front wheel, 5mm Allen bolt on rear wheel
Internal cable routing
Grips, handlebars and brake levers designed for the littlest hands
Bike geometry designed to comfortably position first-time riders with two hands on the handlebars, seat on the saddle and feet on the ground
Variable speed, Fred Flintstone style