Cosmic rocket balance bike the cosmic rocket balance bike is the perfect starter bike to get little ones moving more the cosmic rocket balance bike is fun and simple to use an adjustable saddle makes for the perfect fit and padded grips make holding on a breeze the balance bike helps to improve balance and coordination in kids and stepping up to the next level of bike will be that bit easier complete with 10 mag wheels with anti puncture tyres for a care free ride cosmic rocket balanc