How to Make Ice Cream in a Bag

Combine your milk, sugar, and vanilla extract together in one of your quart-sized bags. Make sure your bag is tightly sealed, with as little air in the bag as possible. Too much air in the bag can cause the bag to open during shaking, so make sure all of the air is squeezed out to avoid any big messes.

Place your bag into the second quart-sized bag, again making sure your bag is tightly sealed. This extra precaution helps prevent unncessary messes and this way, you know for sure that the salt and ice won't leak into your yummy ice cream.

Place your double-bags into your gallon-sized plastic bag. Then, fill your gallon bag with ice and sprinkle your Kosher salt on top. Close the gallon bag, once again making sure the bag is sealed tightly, with as little air left as possible.

Now comes the fun part! Wrap your bags in a towel or let your little ones wear gloves so that their hands don't get too cold.  Then, let kids have a blast shaking up their ice cream mixture.  Five to ten minutes of shaking should be enough time for your ice cream to harden.

All done! Once you're happy with the consistency of the ice cream, remove your mixture from the large gallon bag. Kids can eat their DIY ice cream straight from the bag or they can dish out their dessert in a bowl for a slightly less messy option.

Have fun and be creative with your toppings.  Kids can top their desserts with traditional chocolate syrup and sprinkles or have fun creating new combinations with candy, cereal, and fresh fruit.  Don't forget to add that cherry on top for the ultimate tasty topping.

Similar to how salt is put on icy surfaces in winter, the salt in this activity also causes the ice to melt. Whenever salt comes into contact with ice, the freezing temperature of ice is lowered. 

Salt water is harder to freeze than plain water. This is why a lake with plain water freezes faster than salt water in the ocean. Different types of salt also melt ice at different speeds. Try experimenting with different types of salt, like table salt, rock salt, and kosher salt, to see the difference. 

As salt melts, the compound NaCl breaks down into two parts, Na (sodium) and Cl (chloride). This process changes the states of matter. The liquid in this experiment changes into a solid.

While this kids' craft is perfect for kids of all ages, younger kids should probably have adult supervision while completing this free kids' craft, just to help prevent any potential messes.

Freezer bags tend to work better with this recipe, as they're made of thicker material and are less likely develop holes and leak.

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