Take a look! These unique childsize glasses and interchangeable lenses let students observe the world while learning about colour. Features 8 easytochange lenses2 each of red, yellow and blue and distortion lenses that let you see the world like a bug. Teaches primary colours as well as mixing to make secondary colours by combining up to 2 lenses per side. Allows additional instruction and kaleidoscopic fun when you use the lenses on their own. Specifications: - Includes colourmixing chart. - Durable plastic glasses are sized just right for children, and wipe clean with a damp cloth. - Grades Pre-School+ What's in the box Set includes: - 8 lenses: 2 of each colour (Red, Yellow, Blue and Distortion - Colour Mixing Activity Guide