Munchkin Bath Letters and Numbers for 3+ years - 36 ea26 floating letters (A-Z). 10 floating numbers (0-9). Shapes stick to tub walls when wet. To clean, wipe and damp cloth and allow to air-dry. Foam letters and numbers that stick to the tub wall - so your kid will spell F-U-N as easy as 1-2-3. Count and Spell for Tub-Side Learning. Kids love to learn everywhere...so why not in the tub? 26 floating letters and numbers come in 6 colors to provide endless opportunities for a delightful learning experience. When the shapes are wet, they stick to the tub wall to spell names and places or add numbers. The foam is soft, durable and non-toxic.