Features:Finger Exercise: Spinning pen can make fingers flexible and improve brain vitality. It has a central symmetrical balance point made of alloy, which can help practice and keep maintain balance.Comfortable to Use: The head of rotating pen is made of environment-friendly thermoplastic rubber with cross embossing, which is shock absorption, anti-wear and skid resistant. Both ends of the pen head are provided with metal rings to reinforce the pen head. Besides, the bottom of the pen has a steel ball for counterweight. These smart design is good for holding and using.Easy to Storage: The pen holder is made of ABS resin, which is sturdy and durable. The removable design makes it easy to store. The size of the pen is only 22cmx1.6cm/8.7inchx0.6inch. So that it can be easily put into the stationery bag, pencil case, schoolbag, etc., which is convenient to carry and use at any time.Varied Colors: The main part of this pen is available in two colors, black and white. Their metal rings are available in four colors, including silver, blue, red and black. They are beautiful and look cool.Friendly for Beginners: This spinning pen is easy to use and is very suitable for beginners to practice. It is also a good choice to give it to classmates, friends and colleagues. It is helpful for thinking, learning and anxiety, and can be used as a pen for writing.Specification:Product name: Rotating Gaming Gel Spinning PenMaterial: plasticType: type 1/2/3/4/5/6/7/8/9/10Pen size: 22cmx1.6cm/8.7inchx0.6inchStorage tube size: 23cmx2cm/9.1inchx0.8inchNet weight: 24g/0.85ozGross weight: 41g/1.45oz