Features: 100% brand new and high quality It uses a black ballpoint pen core of 0.5mm. With a slight twist, it can be rotated quickly Its tail is a bright led light WARNINGThis toy is not suitable for children under three years old because of small parts. Power supply: 3 x AG3 button cell batteries(included). Color: Random delivery (If you buy more than one,the color you received may be the same color or different colors) Material: Safe Eco- friendly ABS Sales Way : Retail, Wholesal,Drop Size: One Size Length: 9cm (3.54in) Width: 1cm (0.39in) Height: 1cm (0.39in) Quantity: 1PC Note: If you have big quantity (over 50 dollars), please feel free to contact me, I will give you best thanks! Size For Manual Measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (Without retail package) 1 x LED Spinning Pen