If you lose the red strap, buy a roll of from a hardware store. Cut a 12-inch strip. Fold it over itself so there is no sticky side exposed. Thread it through the loops on the blocks. It works exactly the same.
: These are the structural bars of the climber. For example, the is the shortest in the set, while eezy peezy climber replacement parts
: Sites like eBay and Ubuy are excellent for sourcing specific, discontinued, or hard-to-find individual tubes and joiners. If you lose the red strap, buy a