Enzo "stores" all his toys under my kitchen table! I pick them up every once and awhile and put them in his toy box, and one by one he takes them out and puts them back in the exact same spot I took them from!
Him and his bones are another story - I chuckle daily at his antics! He gets 2 types of bones, a bully stick & the Get Naked sticks. With the bully stick he will chew it for awhile and then go hide it for later...with the GN sticks, he literally runs around the house looking for a place to hide it...up and down the stairs, behind the couch, under the couch...and good Lord if he is about to hide it in a certain place and you make eye contact with him...he starts the process ALL over!!
If you happen upon one later in the day and inadvertently pick it up...he shoots you a dirty look, and starts the hiding ritual all over