Screw-on climbing holds.

Climbing wall not required!  Chances are you have a climbing wall or two at home already!  

Screw-on holds can be attached to any structure that you can use screws on. A wooden fence,  play house, tree house, gyprock wall, concrete wall, brick wall, even trees, can become a climbing wall instantly,  just add screw-on climbing holds.  All you need is a screw driver or drill and your imagination.