While Slushy Magic blender cups are colorful and child friendly, they can be used by adults as well. It should also be noted that Slushy Magic does not work with alcoholic beverages. Soda drinks can be turned into slushies; however, there is a high possibility that the drink will overflow and make a mess. Most of the people that have said it doesn’t work have missed out on getting it right, not through their own fault, but because it takes a little trial and error to get them to come out properly. The reason for this is that alcohol has a lower freezing temperature than other beverages. Most people are … Slushy Magic does work if you follow all of the steps, but it’s not great. Other important factors: The product was missing the “spoonstraw” that was supposed to come with it. Slushy Magic works, but you have to follow a few steps to make sure that you get good results.