1.This rewritable graffiti mat is perfect for encouraging your children to participate in art activities learn to draw and paint and improve hand-eye coordination and color perception.2.Each set includes a 3d drawing board and 3d glasses as well as pattern papers highlighters 1 wipe cloth and 1 battery-powered base.3.This drawing board is very portable and easy to use you can let it accompany your child anywhere. It is very easy to use just draw a picture on the transparent board insert the board into the base put on the glasses and then open it to view the 3D image. The base uses 5 led lights to light up your graphics. Requires 4 aaa batteries (not included).4.For kids who like to do graffiti this drawing board helps them improve their creativity and provides them with countless hours of entertainment making it a great gift for children of all ages.