This is the three-in-one tricycle that converts from traditional pedal tricycle, to balance three-wheeler, to balance bicycle. As a trike, it teaches kids to pedal while the wide-spaced rear wheels provide stability and prevent tipping. Once that developmental stage is mastered, the pedals can be removed and the two rear wheels installed flush together, maintaining extra support while kids advance the trike with their feet and steer with the handlebars. Finally, removing the second rear wheel creates a two-wheeled balance bike, which prepares budding cyclists to transition to a traditional bicycle. The aluminum frame supports up to 100 lbs. and the rugged, puncture-free- rubber tires are safe for indoor and outdoor use. The seat adjusts in height as a child grows. Assembly required. Ages 2 through 5. 29" H x 21" W x 21" D. (13 lbs.)