11 Pieces Non-Slip Bottom Kids Balance Stepping Stones baby&kid USB port to link your

USB port to link your device and play more music

Easy to change into rock legs

Each shelf on the upper level can carry 5kg / 11lbs while the lower space can withstand 20kg / 44lbs

Spring quantity: 42 pcs

Height adjustable canopy roof doubles as sandbox cover to prevent debris animals and weather

11 Pieces Non-Slip Bottom Kids Balance Stepping Stones baby&kid USB port to link yourMade of high quality PP plastic provide a bearing capacity of up to 220 lbs Anti skid pads at the bottom of the balance stone ensures kids' safety 11pcs balance stones in different colors and sizes It can be used to do obstacle courses counting and color recognition With light weight and stacked design for easy storage Perfect for kids develop balance and coordination ability The toy can be used indoors and outdoors Widely use in kindergarten kid room