Highlights: 1.HIGH-QUALITY AND SAFE MATERIALS: Ninja monkey wheel is made of super strong and safe ABS material build to last with USA CPC certified under children toys, to ensure the safety of children when playing 250 lbs maximum loading weight, safety for kids of 3 yrs - 12 yrs. 2.SIZE: The yellow rainbow ninja wheel, a 12-inch large diameter oscillating steering wheel and an 18-inch nylon chain, also available for adults to play inside and outside the home and enjoy the fun of ninja warriors 3.EASY TO USE: Ninja wheel obstacle easy to assemble, just gently unscrew the climbing buckle and hang the swing line and then tighten it to finish easily, saving time and effort 4.HEALTHY TOYS: This swing toys as a swing&stand&climber combination which encourages your kids to get outside for hours of playtime! Not only bring kids lots of fun but also improve kids strength of body,balance,coordination,imagination and confidence. Healthy and Fun Toys indeed! 5.WARM TIPS: Children should play the playground Swing Spinning Wheels under the supervision of an adult for safety.