puzzle app‎!‎ Learning about ancient China has never been so much fun‎.‎ 4D Cityscape has reinvented the game play of the jigsaw puzzle with our patented multi‎-layer and award winning design‎.‎ The first layer is a historical jigsaw map‎,‎ which consists of approximately 600 puzzle pieces‎.‎ The second layer contains model replica monuments and buildings such as The Great Wall of China‎,‎ Mount Tai‎,‎ and Tiananmen‎.‎ Once assembly is complete‎,‎ the history lesson truly begins‎.‎ The 4D National Geographic App allows you to engage with the puzzle digitally‎,‎ while learning key facts and viewing beautiful‎,‎ relevant images of each structure‎.‎ Additionally‎,‎ you can test yourself with the interactive Trivia feature‎,‎ which encourages further consumer engagement and educational support‎.‎ This free App is available to download from both the Apple App Store and the Google Play Store‎.‎ Puzzle measures approximately 22‎"‎ x 14.7‎"‎ x 5‎"‎ when assembled‎.‎Ages 7+‎.‎ Check out our other National Geographic puzzles for Ancient Egypt‎,‎ Ancient Greece and Ancient Rome‎.‎