1. new model children bicycle, one wheel 2.Steel rim or aluminum alloy ... 3.Size: 16", 18", 20", 24" 4.Color; Red, blue..... New model children bicycle, 16",18",20",24" unicycleModel No.: U-16A ... . W. /N. W.: 4.0/3.5kg Conveyance: 759pcs/20' FCL, 1572s/40' FCL, 1734pcs/40' HQ new model children bicycle 16' 18 ...