could do bug obstacle course DIY American Ninja Warrior Backyard Obstacle Course - Five different elements. Build and re-build this obstacle course, and then it breaks down for storage. Storage ideas in the post.
Making some interesting projects for kiddos by yourself is a great idea to prove you are an omnipotent and successful parent. Kids are all fond of spending time outdoor, so you can do something makes their outdoor time more fun. Easy PVC pipe projects are