Ice Cream in a Bag

Milk, sugar, ice and salt in two zip-top bags – shake for 10 minutes and you’ve got real ice cream.

Time: 20 min
Age: 4–12 years
Energy: High
Where: At home

Salt drops the temperature of the ice below freezing, and the milk inside freezes. Cooking and science in one, plus a solid dose of exercise – you really have to shake that bag hard.

The steps are in the app

Step-by-step instructions, tips and an easier and a harder version are waiting in the Hopsa app – along with 300 more ideas matched to your kids’ ages.

Join the waitlist

Coming soon to the App Store and Google Play

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