Sigma Phase's ColdSnap machine can make ice cream, frozen coffees, protein shakes, and more Users insert a recyclable aluminum can into the machine, which freezes and mixes the treat in 60 to 90 seconds It is expected to go on sale to the public in 2022 with a price between $500 and $1,000, while cans will cost between $2.50 and $3 Sigma Phase President Matt Fonte said his daughters came up with the idea in their 'invention journals' and he brought it to life