dd just turned 4 yesterday but as shes so tall, we had to get her the 16 in wheel for age 6-7 yrs.prob is, axel across back wheel doesnt seem long enought to screw on two stabelizers?..got one on, bt not other and dd is begging to ride her bike in park.help.......................oh and no one will touch it as we didnt buy it from them and TRU are worse than useless!