Gives Zac more independency outdoor, especially when outing with his parents or hangout at his auntie. Give him a chance to feel like every other people who rides bike. Great upper body exercise to maintain his health and strength.  

Gives Zac more independency outdoor, especially when outing with his parents or hangout at his auntie. Give him a chance to feel like every other people who rides bike. Great upper body exercise to maintain his health and strength.