Pireunthera 2 PCS Spinning Rotating Pen Rolling Finger Rotating Pen No Pen Refill Spinning Ballpoint Pen for Students Pressure Relief Adaptable Entertainment Office Supplies

• Package Includes: The package contains 2 pieces of different colors of rotating pens, they are comfortable to hold, easy to operate and use, and the quantity is enough to replace.
• Material: The rolling finger pen is made of pressure-resistant TPR thermoplastic rubber nibs, anti-collision, non-slip, and wear-resistant.
• Good Stability: The anti-slip coating spinning pen is 21.5 cm, and the middle of the balance gravity pivot and the metal ball on both sides can help increase the balance of the pen, adding the weight of the pen makes it easier to find a balance.
• Easy to Disassemble: The spinning rotating pen is assembled in multiple parts, you can split it into several parts, so it can be easy to carry and assemble.
• Wide Application: Spinning gaming pen 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. It can also help you get rid of the pressure of work and life.

"Features: The two sides of the pen have firm and heavy metal balls and unique buffer springs which greatly increase the weight, balance, and stability. Package Includes: 2PCS. Material: TPR thermoplastic. Color: Black, white. Size: 21.5 cm. Note: Please allow 1-3 mm error due to manual measurement. Thanks for your understanding."