Electric Spray Pen (XL Window Box)Airbrush like a pro! Select the water based color of your choice, insert the marker into the rechargeable electric pen, then gently spray the paint onto the pictures. Also includes stencils, watercolor paints and a masking gum marker. " Select the water based color of your choice, insert the marker into the rechargeable electric pen, then gently spray the paint onto the pictures. Comes with a charging station! Kit includes an electric air spray pen, a