Sweet Stamp Vanilla Letters & Numbers Set With the Sweet Stamp Vanilla Letters & Numbers Set you can easily make a message or name as a kind of relief in fondant and colour it in with edible paint if necessary. So you press the letters into the fondant, as it were, which gives a very nice effect. Apply the fondant with the message on it to biscuits, cupcakes and/or cake pops, for example. The Sweet Stamp Vanilla Letters & Numbers Set consists of all the letters of the alphabet, numbers and symbols.