4 Pack Water Drawing Book,Water Coloring & Doodle Book,Reusable Water Reveal Activity Books for Kid,Painting Color Wonder Coloring Books,Gift for Girl & Boy for 3 4 5 6 7 Year Old

Product Set: 4 X water activity book 4 X refillable water pen Instructions for use： Please read the instructions on the pen,open the water pens and fill with water. 1. Take off the pen cap; 2.Turn the pen head anti-clockwise; 3.Fill in the clean water; 4. Tighten reversely, start drawing How to wipe off the marker? You just ONLY use water on the booklet. Once it dries the marks will disappear. DO NOT use other markers like ink pen with this product, or it will get ruined. 4 Different themes ( Dinosaur、Animal、Alphabet、Transportation), helping kids to develop creation, imagination and visual discrimination.