Cool glass, sparkling light, gentle noise! You get it all with this Marvelous Marble Panel. Mount it low on a wall and see how entranced your clients and students are with this sensory panel. More than 1,000 iridescent marbles fit into a steel grid on the panel that is illuminated by diffused lighting. As your clients turn the marbles, they receive visual, tactile and aural sensory input, and experience a calming sensation.