4 Pieces Spinning Pen Rolling Finger Rotating Pen Gaming Trick Pen With Tutorial No Pen Refill Stress Releasing Brain Training Toys For Kids Adults Student Office Supplies (Silver,Black, Red, Blue)

Package content:You will receive 4 pieces of spinning pens and 1 piece of pen spinning tutorial,Each pen comes with a transparent case,Detachable for easy carry or storage.sufficient quantity for you to meet your different use requirements and replacement needs.

Stable Rotation:the spinning pen is measured approx. 8.6 inches long, which is long enough for application, and it is easy to rotate; The metal weighted beads on both sides can help to keep balance, make the rotation more stable, provide you with a comfortable using experienc.

Reliable material : the barrel of the spinning pen is made of ABS material, and the tip adapts TRP soft rubber, also with an aluminum alloy dynamic balance support ring in the middle of the pen; It is light wear resistant and reusable,waterproof and not easy to deform or break,giving you a good experience.

Beneficial game:when practicing pen spinning, you can enhance the flexibility and coordination of your fingers, and at the same time exercise your brain power, improve concentration, memory and learning ability; In addition, pen spinning games can also help you relieve the pressure of work and life.

Funny and Thoughtful Gift: the gaming finger pens are easy to operate, they can bring you a sense of relaxation through finger movement, and it seems to make you feel back to school when you spin them, very nice to send to friends, lovers, and families as gifts to express your love and care