Rainbow pencils, A box of four, there are three boxes, 18 cm/ 7.1 inches in length. Each pencil has four colors of red, yellow, blue, and green. You can draw a variety of colors by rotating the pencil when writing. Rainbow pencil, you can draw ever-changing magical colored pencils with just one. I believe this is the best gift for children. It adopts a triangular design, specially designed for kids young fingers, and is easy to grasp. And it has 12 such rainbow pencils, allowing them to paint as much as they want. Like ordinary pencils, it can be sharpened with a manual sharpener or an electric sharpener. And it can also be wiped off with an eraser. Since our rainbow pencil adopts pre-sharp design, it is inevitable that the tip will be broken during transportation. Generally, you only need to re-sharpened with a pencil sharpener.