Big sandboxes with covers are meant to accommodate adults as well as kids, but a smaller sandbox with a cover might work better if you just need a sandbox for one kid.

Big sandboxes with covers are meant to accommodate adults as well as kids, but a smaller sandbox with a cover might work better if you just need a sandbox for one kid.

The best sandboxes can close to ward off the elements (and unwelcome guests) and give kids a place to sit that’s not directly in the sand itself. One such sandbox is currently 60% off at Walmart.