HEALTHY & FUN SPORT - Gentle Boom Sports ninja warrior course for kids can help them improve their balance, build core strength, increase overall fitness, and make for hours of fun and challenging play without ever having to leave their own backyard. LONG SLACK LINE - The 56ft Ninja Slack Line fits 15 to 45ft tree spacing or other sturdy struts, then use the ratchet to tighten the slack line. Includes a 1.2m arm trainer and another slack line for younger kids to train! GREAT VALUE -This ninja obstacle course with 10 obstacles won't get boring anytime soon as it can be constantly changed and adjusted according to the user's needs. Keep them entertained, keep them really fit, and keep them healthy all year round. SAFE & DURABLE - The ropes and slacklines are made of high-quality polyester, which is weather-resistant, anti-aging, and will not crack or fade within 5 years. All components are pull-tested to 880 lbs, making it a challenge whether you're a kid or an adult. PACKAGE LIST - This unique green ninja warrior obstacle course includes 55ft Slacklines x2, Ratchet ( with 10ft Ratch line) x2, 1.2m arm trainer x1, Storage Bag x1, Monkey Bar x1, Monkey fist x2, Triangle Ring x4, Swing Seat x1, Disc Tree Swing x1, Climbing Rope Ladder x1, Tree Protector x4, and some auxiliary components. Tired of your kiddos crowding the TV and Video Games? Turn your backyard into a amusement park! Let your kiddos get out of the house and play in the funny Ninja! Not only will our Ninja kit entertain your kids for hours, but it's also the newest alternative to your traditional sports facility.