Easy Diy Ninja Warrior Course . 1 week ago jun 16, 2021 · it comes with 10 obstacle s that can be spaced out to your kid’s preference, and amazon customers are commenting that it’s easy to set up, too. It didn't take long but gave us hours of american ninja. DIY American Ninja Warrior Backyard Obstacle Course Frugal Fun For from www.pinterest.de I knew that the boys would like this, but i underestimated just how much they would love it! 1 week ago ninja warrior obstacle course for kids 2x52ft 2in1 double ninja obstacle line and slackline training accessories balance training line and arm trainer monkey bars gym rings rope ladder. 1.8 use cargo nets and ropes.