Embark on this delightful coloring technique with using these fun stencils, you can use it together with crayons or oil pastel, just follow the simple steps as below: Carefully push out the shape from the stencils. Keep these shapes aside as you can also use them later to create shadow effects. position the stencils on teh artwork Apply crayon or oil pastels about 3mm from the edges of the shapes. Hold the stencils firmly and gently rub the colors onto your artwork with your finger tips. To achieve different colours shades and tones, apply 2 or more colours onto the stencils and gently rub one colour after the other onto the artwork. Reposition the stencils as necessary to create different pictures and designs to your artwork. Practice make perfect, and most of all..Enjoy yourself! This set come with 4 piece plastic as shown in the photos, the size for each stencil is 19.5cm x 14cm.!