If for even one second you loose touch with reality, thinking how extremely fun and entertaining it would be. Oh the things they could build, mold and create? DONT! Infact run fast, as fast as your feet will take you in the opposite direction.
In case you do not heed my warning, might I suggest that you also purchase a shop-vac and a bottle of calmness with a touch of sanity (for you of course, they dont make that for children;-)
You will need it as you look around the room and see the product "whos name shall not be spoken" in my home again. What could it be you ask?