The Original Cube Size:Mega the cubes are coated in

the cubes are coated in electromagnetic subtractive materials that reveal different colours when placed together

and the CMY Klean that keeps it brilliant

With the Y Cube

Hands-on geometry at an unbeatable value

The Original Cube Size:Mega the cubes are coated inThe cube that started it all. The Original CMY Cube uses the three subtractive primary colours, cyan, magenta, and yellow, to let you view life and light through a different lens. Hold it to a window, turn it slowly, and watch new colours bloom where the faces overlap. A truly unique and interactive object for children and adults alike. Warning: The CMY Cubes are addictive!