You don't have to make vodka syringe shots. You can use shot glasses if you prefer and mix the green and white components together with a straw or chopstick. However, this is the best jello shot syringe recipe for syringes and you can buy the shot syringes on Amazon. Either 1½ -ounce or 2-ounce shot syringes work for syringe cocktail shooters. Oh and you can reuse the syringes too.