Material: PVC Size: 14.5 cm / 5.7 in Children's favorite hands-on part: Use this magic pen to draw on the spoon. When encountering water, the drawn animals will float on their own, which is very fun Float Automatically in Water: The water-based design makes it insoluble in water, and the drawn animals can float freely on the water Interesting and Fun: Water painting will arouse children's curiosity. Mom, dad and children can join the painting together and experience the joy of handwork Safe to Use: With certified non-toxic ink and special low odor formula, it is harmless to human body Perfect Writing: Quick-drying, smooth writing, no ink leakage. The water-based ink is easily wiped off with a cloth without leaving any trace Widely Use: The colors are bright and clear, which is suitable for children's graffiti on paper, writing and drawing in classroom lectures and office meetings as well