Silicone baking mat as playdough work surface

Natalie's quick thinking saved her plenty of cleanup time:

Just this weekend I was looking for a surface on which my three year old could go to town with some new playdough and silly putty. Her art table is from IKEA, the small wooden square table variety with a cloth on top of it. Well I had used a Rubbermaid top and cookie sheet before with some luck, but I wanted something flatter and somethin...