It’s quick! It’s easy! No batteries required. Can you make ice-cream without electrical or battery power? Why, yes you can! Just follow the fun, easy steps! It’s a fast, easy, and yummy activity for the whole family! Amaze your friends by making ice-cream and explaining how it works: - Salt melts the ice - When salt melts ice, the ice water is colder than the ice itself - The cold temperature of the ice water freezes the aluminium plate - The aluminium plate gets so cold that it freezes the liquid mix, forming ice cream.