It's a funny and innovative toy for busy kids, as well as a very good way to train kids hands-in skills, intelligence development. Also it will be a cool way to make yourself calm down when you feel a little bit stressed. A good way to relieve yourself by drawing on this scratching book pad. Raw material of scratch stylus is natural bamboo, unscented, not harmful to the delicate skin of your child. Scratch Art products feature bright colors and patterns hidden beneath a matte coating, plus a wooden stylus to reveal them with just a simple scratch. Simply use the wooden styluses to scratch away the black film to reveal the beautiful rainbow colors. After scratching on the paper, there will be some black scraps on the scratch art paper and hands. Don't worry about that! It's easily wiped off. Scratch Paper sheet size: 10.2 x 7.5 inch / 26 x 19 cm (LW) Package included: 2 Packs24 Sheets Rainbow Scratch Notebook 4 Wooden Stylus Pens