Description: - Science experiment - exploring optical property, Early physics Science educational toy for kids children student - Included：A pair of eyeglasses frame, 6 lenses (2 lenses for red, yellow and blue lenses), and 2 concave lenses for simulating of - The color matching results between the three primary colors：combine the lenses of different colors randomly through holes of the frame - Kindergarten student pupil Teaching Aids，the fun of the lenses become a new color and learning science knowledge - kid science development toys, of physical science boarden kids and children , stimulating their curiosity - Material：Plastic - Color：Multicolored - Eyeglasses frame width approx 13.5cm/ 5.31 inchPackage Includes:1 Set Kid Trichromatic Glasses Toy:Please allow 1-3mm error due to manual measurement, make sure that you do not mind before you purchase.Due to the different monitor and light effect, the actual color may be slightly different from the picture color.