Most therapists useplay sand. Toys R Us carries good sand, whereas sand from Home Depot or Lowe’s tends to be grittier with some rocks (better for outside sandboxes). However, the type and quality of the sand does vary from store to store/region to region. You can use beach sand, ...
it is deeper than the average turtle sandbox, which makes it much better for my 2-year old that likes to dig. it looks like we'll get lots of wear out of the box, as the 8-year old next door is jealous. we filled it with the play sand from home depot, which has a bigger...