4 Peices Basic Multicolor Pen in One 4-Color Retractable Ballpoint Pens 0.7Mm Smooth Shuttle Pens for Adults Students Nurses Teacher Party Favors Goody Bag Stuffers Carnival Prizes (4) ⭐️⭐️⭐️⭐️⭐️. Efficient switch: Each shuttle art multicolor ballpoint pen works well in changing colors and each color tube will be in the right position once you press it down.