Magic Mud
Materials
Soil/dirt
Water
Baking soda
Vinegar
Squirt guns
Play bin
Optional mix-ins: Food coloring, glitter, etc
Directions
Mix equal parts soil & baking soda in basin
Slowly add water and mix. Slowly add more water until you get your desired consistency
Add optional mix-ins
Give kids squirt bottles filled with vinegar & watch the mud magically explode
adapted from Growing a Jeweled Rose