Discover the best light source on the market with the Educational Light Cube! Years of testing and development have elevated it to be among the finest light sources available. This multi-functioning lightweight cube offers many modes including flashing to send non-verbal signals to students and can transition seamlessly to a full spectrum of colors. The light cube serves as a perfect partner for a plethora of Roylco products including our x-ray and light learning categories. Charging effortlessly in just 6 hours via the AC adapter, the light cube offers 5-15 hours of operation based on chosen features. Its compact size makes it ideal for individual or group play and is easy to store- doubling as a functioning chair! Teacher's #1 choice!