(1).Size: 1.4x1.1x2.0m
(2).Material: Made by steel pipe,and cleaned by sand-blasting, then coated wi

(1).Size: 1.4x1.1x2.0m(2).Material: Made by steel pipe,and cleaned by sand-blasting, then coated with phosphate
solution, and finished with electro-static powder coating; other materialis available(5).Designed under the scientific principle of human mechanics and kinematics(6).Usage: special for kindergarten, residential park, and school