Build and outside pull up bar.
Create your own DIY Climbing Pegboard for less than $35! Easy instructions and a similar pegboard as the one used in the 2015 CrossFit Games!
American Ninja Warrior obstacle course for kids?
outdoor gym and monkey bar More
(OPEN) Adoptable Outfit Auction 168-169 by Risoluce.deviantart.com on @DeviantArt
Wooden Climb & Slide Frame
Climbing Hold Stilts--I bet my husband could make something like this for our backyard...
Image result for ninja warrior course for kid https://uk.pinterest.com/uksportoutdoors/home-gyms/pins/
Speed Painting－ Assassin, Xu Zhang on ArtStation at https://www.artstation.com/artwork/ZPJvN