Color Wonder markers with invisible ink that appears only on Color Wonder paper and not on skin, furniture or fabric</br>15 pages 10"x17"</br>Color Wonder markers not included</br></br>Product Description</br></br>Jumbo Coloring without the Jumbo Mess! Contains 15 pages of Thomas and friends themed Color Wonder line art. Large Thomas character line art is easy for young children to color in using Color Wonder markers with invisible ink that appears only on Color Wonder paper and not on skin, furniture or fabric.</br><br/>http://www.amazon.com/gp/product/B0184DQERC