OH MY GOSH!!!!!!Take a picture of your child while they are sleeping after they lost a tooth. Then, go to this website where they'll put the "tooth fairy" in the picture with them! Very cute. I'll have to remember this one day!
Dinosaur Activities for Creative Dinosaur Small Worlds and Sensory Bins - I am not keen on the idea of putting liquid (water or whatever else) on toy animals where the paint can come off and possibly end up in mouths, but I like some of the other ideas.