Let the children play: just add sand for really natural DIY sand box. I would just use a tarp to cover this play spaces when not in use to keep the cats out. Just add cinnamon to keep the ants out.

Landscaping Design Ideas
Click HERE or Tap HERE to get instant access to over 7000 of the freshest landscaping ideas & videos to help you create your dream landscape...
And you can start in the next 7 minutes!