Includes two-tip felt markers with softer brush tip at one end and rigid marker tip at the other. Markers are all number coded to match with the colors in teh activity pieces. Markers are water-based but are not washable and will stain clothes. These are more artist quality kits. This kit contains 8 number coded markers, 4 activity pieces and instruction book. Each piece is approximately 8.25" x 5.9" and made of heavy cardboard.