Melissa & Doug On the Go Water Wow! Reusable Water-Reveal Activity Pads,3-pk, Colors, Numbers, Alphabet Three water reveal activity books with water pen in each Colors & Shapes, Alphabet, and Numbers water reveal pads Water reveals pictures; dry to erase and reuse Pen stores in cover for no-mess cleanup Three water reveal activity books with water pen in each Colors & Shapes, Alphabet, and Numbers water reveal pads Water reveals pictures; dry to erase and reuse Pen stores in cover for no-mess cleanup Ages 3+; three books, 6" x 10" each