Super Bright improved lighting! New LED lighting system displays brighter, whiter and more uniformly distributed light, uses less electricity, and produces less heat. They're even waterproof! Illuminated surface is great for learning about shapes and colors. The LED lights are UL listed in USA and Canada and guaranteed to last for 50,000 hours. 24" x 24" x 24". 44 lbs. Purchase Color Acrylic Disks separately. GreenGuard Certified. Made in the USA. Lifetime warranty.