UNPARALLELED QUALITY: The prism set is crafted from premium K9 optical glass, offering superior light refraction and crystal-clear reflections. Featuring high-quality optical glass, these prisms effectively split light to create vivid rainbows, showcasing the components of light with exceptional clarity. EDUCATIONAL & FUN: With smooth, rounded edges for safety, this prism set serves as an excellent educational tool for children to explore the properties of light and the science of rainbow formation. It encourages hands-on learning and fosters curiosity through interactive experimentation. EXCELLENT VERSATILITY: Ideal for a variety of applications, these prisms can be used to demonstrate rainbows for kids, enhance photography with unique light effects, or add artistic visual elements to creative projects. They also work well as decorative pieces for events such as weddings, birthdays, and outdoor gatherings. PORTABLE: The set includes two sizes—150x30mm and 25x25x25mm—providing flexibility for different uses. Lightweight and easy to carry, these prisms are convenient for home, classroom, or outdoor activities. Color: Transparent Material: K9 Glass Size: 150x30mm, 25x25x25mm Package Contents: 1 x Large Prism, 1 x Small Prism Note: Slight variations in color may occur due to lighting conditions and display settings. These differences do not affect the product's performance. Measurement may vary by +/- 1-3 cm.