Take a look! These unique child–size glasses and interchangeable lenses let students observe the world while learning about color. Features 8 easy–to–change lenses—2 each of red, yellow and blue and distortion lenses that let you see the world like a bug. Teaches primary colors as well as mixing to make secondary colors by combining up to 2 lenses per side. Includes color–mixing chart. Durable plastic glasses are sized just right for children, and wipe clean with a damp cloth.