1. new model children bicycle, one wheel 2.Steel rim or aluminum alloy rim 3.Size: 16", 18", 20", 24" 4.Color; Red, blue ... ..... New model children bicycle, 16",18",20",24" unicycleModel ... .: 4.0/3.5kg Conveyance: 759pcs/20' FCL, 1572s/40' FCL, 1734pcs/40' HQ new model children bicycle 16' 18' 20' 24' unicycle ...