Product description: Floating in water design to make it insoluble in water, drawn animals, flowers, trees, etc. Can float freely on the water. It will stimulate children's curiosity. Use this floating whiteboard pen to draw on a ceramic spoon. When encountering water, the drawn pattern will float by itself, as if it has life, which is very interesting! Kids can experience the fun of crafting! It is good for children's sensory development. This is also a fun game for family and friends gathering. Find innocence together! Water-based inks are easily wiped off with a cloth and leave no marks. Non-toxic ink and special low odor formula, harmless to human body. feature Type: whiteboard pen material: plastic Color: as pictured Size: T4104 12.5*9.5cm T4105 14.5*12.5cm Occasion: Home, School, Office Quantity: 8-color set for sale, 12-color set for sale Packing List: 8/12 Whiteboard Pen