Three-dimensional space ring before turning back, around, 360 degree rotation, fun and excitement. Seamless steel ring is a three-dimensional space, Zhumadian State Long play equipment plant patent products. Space pure seamless steel ring production. Toughness and durability are not comparable to ordinary steel. First has grown to 2, 4, 6 and 8. There are a series of children's space ring models. To meet the needs of different groups. Specialized workshops and technical personnel, for you to create professional patent products. Equipment covers less than 12 square feet, 220 volts use (child space torus electricity). Reducer and motor with gear and chain drive (before the belt and gear, and poor product performance.) Effective use of effects and improved performance. With professional sound and in seconds the timer units. Four-point seat belts, handles, irons and pressure bar. Be sure to use safer. Three-dimensional space ring 2 and 4-dimensional space, the same size as 318x250x260 ring four dimensions 368x290x311cm no wearing parts warranty for one year