Do you want yours kids to learn more while having fun? This creative color mixing principle glasses toy will be your good choice. Made of quality plastic materials, it has excellent durability and practicality. Your child can have fun and learn color-related principles and cultivate imagination through this glasses kit. Features -Material: Plastic -Size: About 13.50X13.00X5.50cm/5.31X5.11X2.16inCH - Made of quality plastic materials, it is safe to use and suitable for children. - It has a simple application method to observe colors by randomly combining lenses of different colors. - Using the principle of overlapping colors to explore optical properties, it is a physical educational toy for early childhood education. - With good craft details and smooth and comfortable touch, it is safer for children to use. - It can improve children's scientific cognition. Package list: 1 x eyeglasses frame 6 x lens 2 x concave and convex lenses