I was thinking about setting up an oval shape kitchen trash can, it's about 15 1/2 inches in height, from handle to handle 14 inches(longways), and width 10 inches. is that good for a laying bin?
You don't have to, so long as the sand is pliable enough to where you can dig a tunnel in it, and not have it cave in. Mine used just damp play sand, and was very successful!