A best seller! The LED lighting system displays brighter and more uniformly distributed light, uses less electricity and produces less heat. The low current and handy on-cord on/off switch makes the light table safer and easier to use. Just set the light box down anywhere there's a horizontal surface and watch children's minds light up as objects reveal their intrinsic attributes. Check out our other best-selling light tables: WB0724 Small Light Table and WB0742 Large Light Table [each sold separately]. Constructed in beautiful, durable birch plywood in safe, non-toxic natural UV finish that won't yellow and withstands rigorous use. UL listed in USA and Canada. Dimensions: 24"D x 24"W x 5.5"H, weights 27 lbs. WB7724T Color Acrylic Triangle Discs, WB7724S Color Acrylic Square Discs or WB7724C Color Acrylic Circle Discs each sold separately. GreenGuard™ Gold certified. Made in the USA. Lifetime warranty. GreenGuard™ Gold certified. Made in the USA. Lifetime warranty. Dimensions: 24.5"W x 24.25"D x 6"H