FAHKNS Ninja Warrior Obstacle Course for Kids, 65 FT Durable Slackline with 11 Obstacles-Swings, Monkey Bars, Arm Trainers and More, Weatherproof Outdoor Obstacle Course for Backyard,3+ Years Old 65FT Length is up for auction in Toys & Games. The current bid is $8.00, 89% below the $74.52 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.