Product Description: 1. Product name: led light magic toy invisible fluorescent pen 2. Product size: This pen is approximately 132mm/5.2 inches long. 3. Product style: pen 4. Product color: yellow, pink, blue, green 5. Material: plastic Product features: 1. Writing with this pen cannot be seen under normal lighting. You can only see it by turning on the light on the pen and shining it on the writing. This special feature gives children more ways to create and have fun. 2. This pen adopts an invisible design and looks very similar to an ordinary pen. This makes it more charming and mysterious in magic performances. 3. This pen is small and easy to carry, so you can display this magical pen anytime and anywhere. Attention: 1.As we all know, different computers display different colors, and the real color may be slightly different from the following picture. 2.Due to manual measurement, the size may have an error of several centimeters Shipment includes: 1pc pen Product Size: Each pen measures approximately 132mm (5.2 inches) long Product Colors: Available in four vibrant colors: yellow, pink, blue, and green Material: Made from durable plastic for long-lasting use Invisible Writing: The ink is invisible under normal lighting and can only be seen when the pen's light is activated, adding an element of surprise and creativity for children Magic Performance:The pen's design resembles an ordinary pen, making it perfect for magic tricks and performances