Two of them side by side (maybe more) as high on the wall as possible and the two boards set where closest reach it's 2' for lateral strength exercises.
American Ninja Warrior themed Printable by SwishPrintables on Etsy
Ninja Paper Lanterns Idea - OrientalTrading.com
Ninja Disk Shooter - OrientalTrading.com
Stretchy Flying Ninjas - OrientalTrading.com
Ninja Warrior Table
My Nugget wants to be an American Ninja Warrior....this would be a good start...May have to get this for him....
American Ninja Warrior Logo for me to print and use as water bottle labels.