Preschoolers love making the pictures of silly robots appear as if by magic with the Galt Toys Water Magic Robo Crew activity pad. Just fill pen with water, then watch as the robot pictures appear. As the paper dries, the pictures disappear. There's no mess, because there's no ink. The 8'' x 6'' pad includes six reusable pages and comes with a thick refillable water pen. This reusable activity tablet is suitable for use by children 3 years and older. Galt products are quality controlled and meet all American, Canadian, British and European standards for toy safety.