Retro Series Slush Machine. Retro Series Slush Machine. This machine is designed for kitchen or home bar use, but can also be used in places such as family or dorm rooms, offices and club houses. It has a generous, one quart (32-ounce), clear mixing chamber, ideal for small groups and features an attractive, slim, upright design that will take a limited amount of space on the counter. Not only does it make fantastic frozen soda drinks, but can also mix up batches of your other favorite frozen drinks such as daiquiris and fruit-flavored slushes for the kids! Features Include: 1-Quart (32-ounce) clear mixing chamber.