... ages, usually only a week to master; 2, the driving range to ask, can a few square meters of ground; ... ages ,usually only a week to master;2,the driving range to ask ,can a few squqre meters of ground ... addition to the game ,fitness, but also can be used as features performances ,participate in various large-scale meetngs ... the seat heit to tighten the screw .Driving range a s smooth. c-pai wheelbarrow