Felt-tip pens as magic pens. Fiber markers and the magic pen for artistic magical powers. The double fiber markers have a soft brush tip (0.5-2 mm) on one side and a firm, fine tip (0.5 mm) on the other side. The colors change when you go over them with the magic pen. Package contents: 9 colorful fiber markers and one magic pen. Packaged in a transparent pouch. Recommended for ages 6 and up.