Come and see our amazing products. This spinning pen is about 19 cm/ 7.5 inches long, which is long enough for you to use. Both ends of the pen are embedded with stainless steel beads for counterweight, which makes it easier for you to turn the pen. The spinning pen is suitable for both children and adults; You can use this pen to train your hands, eyes and cerebellum, so you can improve your concentration, memory and learning ability. Gaming pen can also help you relieve the pressure of work and life. Add your logo and let spinning pen to promote your brand. Pls confirm with us about the packing info, stock color and exact production time before placing your order