Sand Mousse - sand, water and a generous amount of bubble bath - great for pre-writing skills large circles, patterns, etc using fingers and hands, with pattern making tools or small world.
Mandalas in Nature
Creating mandalas in nature teaches the children arithmetics, geometry, art, science and more.
garden soup - awesome water play activity for toddlers/preschoolers
"Garden Soup" Water Play: a simple backyard activity that entertains for hours!
Campers create a tower of tree cookies in the Natural Play Area's messy materials zone. This zone encourages kids to interact with nature on a "messy level" through stacking tree cookies, playing in the sand, and more.