How to Make Easy Jello Alphabet Letters Do you like to play with your food? If so, this Gelatin Typography found on Plenty of Colour is for you! Using an alphabet mold and various flavors of gelatin, these edible letters couldn’t be easier to make. The key to these gelatin letters is to make them as colorful and fun as possible. These would be perfect to help your kids learn the alphabet or even for a play date. The best part? The kids get a snack too!