I repurpose those plastic birthday door signs as craft mats. I started out using them as tablecoths just to protect the table, which worked fairly well, but they tended to slide off (especially when a younger child was involved) and there was still that bouncing playdough thing...
The next logical step was to put the mat right down on the floor. (Mine are tiled so any room that isn't a bedroom works for me (the kids' bedrooms are carpeted), but if you've got carpeting then probably best to stick to the kitchen. ) The messy whatever gets spread out on the mat, giving them plenty of room to
This works for me. What works for you?
PS I'm joining in the pre-Hannukah fun over at Ima On and Off the Bima. Come on by and check it out.