The first recipe for cream soda was developed in Canada and patented in 1886. Since then there have been many variations of this sweet and creamy soft drink. Homemade soda is very easy to make and is a great project to do with the kids. These extracts include enough to make 3-4 gallons, depending on your taste. Yeast, bottles, and sugar is also needed to make soda from these extracts. Complete instructions are included in the extract box.