Description Product description: Material: plastic Color black Size: length, width and height of the assembly are approx. 10 * 7 * 9.5 cm, length and width of the board approx. 20 * 13.5 cm, error approx. 1 cm Packing list: 1 * sketch tool Principle of optical imaging: The image is not projected onto paper, you can see through the lens sheet that the image is reproduced on the drawing paper. Search board has two sides, front and back, the projection effect from two sides is different, please use the front. Mobile Phone and Tablet Support: There are two bracket connection methods that are easy and quick to assemble and support most mobile phones and tablets. Environmentally friendly: The lens film is made of high quality PC material, good toughness, not easy to break. No need to print pictures, environmental protection and energy saving. Ideal Tracing Tool: This tracing board kit can help you develop hand eye coordination and basic drawing skills without harming your eyes. You can paint on paper, clothes, bags, etc., suitable for kids, kids, students, adults, beginners, anime enthusiasts, amateur enthusiasts.