Our LED lighting system displays brighter and more uniformly distributed light, uses less electricity and produces less heat. The low current and handy in-line on/off toggle 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. Acrylic disks sold separately. Dimensions: 24.50"W x 24.25"D x 6.00"H. Weight: 27 lbs. Ships fully assembled. Accessories not included.