The front of the 3D puzzle is colored and the back is black doodled. You can use the front side to assemble directly, or use a 12-color pencil to fill the card to create an exlusive DIY doll house in your child's own creativity and choice of color, so that children can be immersed in the fund of creation. -For kids from 4-year and up. -Includes 124Pcs mixed of parts and accessories plus a set of color pencil.