I tried using golf balls, but the chickens didn't seem to like them. So I changed to putting a couple of ping pong balls in each nest,and walla! It works. The chickens will lay in those boxes now, bc for some reason they like to lay their eggs where the other hens lay theirs They might peck up the plastic balls, but I buy a whole pkg of them at the local dollar store, so easy and inexpensive to replace. Good luck.
will ceramic eggs encourage my KC's to start laying
I don't know if it will encourage them to lay but it will show them where to lay once they start. Otherwise, you might find eggs anywhere! I find them in the driveway, garage, and their pool!