Unique design, our toy pen can be rotated with both hands or on the desktop. When you Spin the pen, it is so smooth hand feeling and very quiet. Don't worry about the separation of the pen and pen cap. Rotating one end cap, it becomes a pen that can write with smooth writing, and easy to carry. There is a cylinder design in the middle, you can make the gyro twirl on a horizontal surface or on your finger which let you play for smoother and a long time. Made of high quality metal, good hand feeling, fast rotation, durable, very lightweight and small-size, easy to carry anywhere.