Water Pen Pad - OceanArts and Craft activities are important to stimulate your childs imagination and what is better than a set that can be used on the go with no mess. No more worries over felt tip marks on the walls with these fantastic colour changing water cards. The Arts and Craft kit contains 10 reusable cards and a water pen. Simply fill up the pen with water and play. Once the water dries the colours disappear and you can play over and over again. Each card has