The phrase "sand box" means an area filled with sand where people, especially children, can play, build things, and be creative.
Sentences with «sand box»
Children's sand boxes make wonderful litter boxes for stray cats and, therefore, become the most likely place for children to pick up harmful parasites. (hartroadanimalhospital.com)
Cat sand boxes are filled with crystals and cleaned twice daily. (dog-care-centre.com)
There is a good sized sand box, so if your kids love the beach you can bring sand toys for lots of fun in the sand! (chicagoparent.com)