... parts made of LLDPE, metal parts made of steel tube, wood, PVC and foam. 2. Player age: 3-15 years old.4 ... at children like drilling, climbing ,swinging, junping, rolling, shaking and so on to develop personalty of tough, training speed,strength ... endurance, balance to achieve physices fitness and the purpose of intellingence. : 2012 hot sales indoor playground equipment ...