Features: Water Coloring Books for toddler, offering endless creativity with just water—paintings magically appear and vanish as pages dry, allowing endless fun. Safe paper materials, these books feature vibrant color revealing technology that automatically disappears when dry for repeated use. Designed for children aged 1-5 years, these educational drawing toy attract toddler and preschoolers in sensory play while developing color perception and motor skills. Very suitable for travel, home, or classroom use - portable watercolor pens do not require markers or cleaning, keeping the surfaces clean during creative coloring processes. Stimulate imagination and parent child interaction kids explore art freely while adults guide learning through reusable water based coloring activities. Specifications: Component: Paper Size: 18x13.5x0.5cm/7.09x5.31x0.19inch Quantity: 6pcs Package Includes: 6x Children's Water Painting Book 6x Brush note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.