Let your kiddo make a splash - literally! These under the sea water reveal boards give your child a chance to paint with water and make a colorful ocean-themed illustration appear! This creative learning tool also exposes your child to numbers as they count their undersea friends! This is a sweet gift for any marine-loving kid and a whimsical rainy day activity! The 13 piece kit includes 12 reusable water reveal boards and a brush to paint with. You bring the H2O and OOLY brings the fun! Don’t forget to stay on the lookout for a hidden character on each page.