Munchkin Bath Letters & Numbers is a set of 26 letters (A-Z) and 10 (0-9) numbers, which can also be used for teaching while swimming. With the set, you can learn the alphabet, practice reading, add simple words, or sort parts by color. Letters and numbers do not sink in water, and when they get wet, they stick to the wall. Made from soft, durable and non-toxic material. Suitable for children from 3 years old.