Miss R loves all things clay and all things sweet, so this activity was an obvious hit. We’ve tried lots of play dough and slime recipes and this dough was in between the two materials. The marshmallows lent a sort of fondant quality to the dough — which hardened after a few hours, so keep sealed. Preschoolers will love this because… marshmallows! And for your little littles who find every penny you never knew was in your carpet and stuff them into their mouths, well, this is pretty safe (my six-month-old energizer bunny is already in said stage). Just pull out the corn starch, food coloring, marshmallows and play away. Simply combine marshmallows, 2 teaspoons of coconut oil and 1/4 cup of corn starch in a microwave bowl, microwave for 30 seconds, add food coloring to marshmallows and mix. *Use a LARGE bowl for the microwave since explosions will occur. Let me know how it goes!!