Hi! Hit the number you have on there, it will highlight that , then hit back space, that will leave a blank space in there you can put what ever number you want in then.. HTH
Good Job Val! I have the flip flop molds and love them.. i will tell ya though i used pink sugar to my white base, in a couple of days it looked terrible. so i'll stick with using pink sugar in the clear M & P with dye as it does not do that..