Colour Mixing Glasses - Pack of 6 lenses included

Unique child-size glasses feature easy-to-change lenses: two each of red, yellow, blue and distortion (to see like an insect). Combine up to two lenses per side to teach primary and secondary colour properties. Overlap lenses without their durable plastic frames for kaleidoscope fun! Includes colour-mixing guide. Pack of 6 lenses included