Merri, the poop goes in the hole where you do not want him to dig again. Our sandbox was about 20'X20', but then we had to accomodate 5 Pyrs at the same time. Hope you feel better soon. Barb Bowes Bo & Chelsea (Pyrs), Flopsy (Pyr Shep) & Machin (Doxie) The more people I meet, the more I like my dog! bamb@monmouth.com