I don't make them put back a toy every time in order to play with another. Often times it is a combination of toys that get played with - blocks and little people being used to build towers/houses, then trucks being loaded to drive it all around afterwards. I usually have them clean up if the floor is getting too cluttered (I can't stand stepping over toys!) or if it is apparent they have completely finished playing and moved onto something else.

**Didn't mean to put the thumbs down icon, don't know what it is there!**