This glow-in-the-dark 3D puzzle uses LED lighting technology that can be used in two different modes - a warm white glow or alternating colors (green, orange and yellow). Ravensburger's 3D puzzle uses unique "Easy Click" technology and high-quality plastic hinged pieces that fit together seamlessly and do not require gluing. The backs of the puzzle pieces are numbered, allowing you to assemble the model both by numbers and by eye. The effective 3D model stays firmly together and can be disassembled and reassembled repeatedly. The set contains 216 plastic puzzle pieces and a base plate with a picture on which you can attach the building to display. When assembled, the tower is 47 cm high, acting as an awesome decoration in your room or use the LED light as a night lamp, for example. Requires 3x AAA batteries (not included). Did you know that the Empire State Building is one of the most famous skyscrapers in the world with 102 floors in New York, USA. Its height is 381 m, including the antenna 449.5 m. The building is one of the best architectural examples of the Art Deco style, completed in 1931. Until 1972, when the North Tower of the World Trade Center was completed, it was the tallest building in the world. The construction lasted only 14 months, 60,000 tons of steel and 10 million building stones were used Collect the other Ravensburger 3D puzzle buildings and create your own city skyline.