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.
Warped Wall Plans for Building the Full-Sized Ninja Warrior Warped Wall AND How to Build a Warped Wall for Kids - all in one!
Best Soccer Dribbling Drills: Moves and Ball Control
This kid’s slackline is a fun activity that helps to build balance, coordination and strength in your children.