3ml Thumb Turning Pen Spinning Pen Rollers Finger Rotary Pen for Students Entertainment Feature: Package content: You will receive 1 rotating pin. Unlike other rotating pens you have seen, our pen has a dynamic balance support ring in the middle, which is more suitable for beginners. High quality: This creative rotating pen is made of non-slip, wear-resistant, pressure-resistant ABS and aluminum alloy materials, durable and easy to hold. Balanced design: In order to achieve a good balance performance, the two ends of the rotating pen are heavier to reach the golden balance point, making it easier to rotate. Application: Suitable for children and adults, the rotating pen can train hands, eyes and cerebellum. Long-term training helps to improve concentration, memory and learning ability. In addition, it can also help you get rid of the pressure of work and life. The perfect gift: With pens, you can let every student in the classroom of every guest in the office have their own pens, so you can make cool party gifts or birthday gifts. Product size: 22x1.6cm Contains: 1x rotating pen 3ml Thumb Turning Pen Spinning Pen Rollers Finger Rotary Pen For Students Entertainment No Bleed Through Any Paper Including Magazines And Bibles. No Smear, Smooth, And Fast Dry Perfect For Color Coding, Journaling, Memorizing Your Bible Or Other Books Draw Smooth, Skip-Free Lines And Crisp, Consistent Lettering 【GOOD SERVICE】We make sure each item is of high quality.No reason to return or exchange goods within 30 days.If any questions, please be free to let us know, you will get our reply within 518 hours.