Colourful transparent and opaque acrylic pieces in the shape of a 'dropped paint splat' made in the primary and secondary colours (red, blue, yellow, green, orange and purple) as well as clear, black and white and a double-sided mirror (black, white and mirrored are opaque). Can be used on their own or on a light box, for colour mixing, matching, light observation, shadow making and for wall decoration near to the painting area. Measures approx. 5.90" dia. Ages 3 and up.