One of the earliest 'kids' wall holds, besides numbers and alphabet, were the ball holder and hula hoop holds that Atomik put out long ago. I got 3 hoops' and one ball holder and this makes a great obstacle course for little kids on a wall. They love the challenge of being careful not to knock down the hoops as they race to the top to grab the ball off the holder. If you go high, as I did, your only hassle is to go up and thread the top rope down through all the hoops you chose to place. But worth all the fun, especially when an oversized adult tries to get through the smaller sized hoops. My holds had held strong on my outdoor wall over at least 15 years now. Best placed on vertical wall to have hoops hang correctly.