More to explore:
Add a little bit of food coloring to shaving cream and make bath tub paint!
I'm not sure if the color will stain your grout, but it looks like a fun idea.
Shaving Cream Bathtub Paint
Homemade bathtub paint: shaving cream & food coloring
How to Make Shaving Cream Rain
Fun and new ideas for using those magnetic tiles---on the fridge, in the sandbox, and in the bathtub!
How2 DiY: book page leaves
So cute! Love this idea!
Activities for Toddlers: Sensory Messy Play with Foil, Shaving Cream, and Food Coloring
Shaving Cream Tub Paints
shaving cream bath paints
Shaving cream and washable finger paint! FUN
Fun Toddler Activities Blog: 13 Ways to Play with Shaving Cream