The Petronas Towers, also known as the Petronas Twin Towers are twin skyscrapers in Kuala Lumpur, Malaysia. They remain the tallest twin buildings ever built. The 3D puzzles are made of paper and EPS foam board, its safe and convenient to assemble without the use of any other tools or glue. No of Pieces: 86. Model Size: 27cm x 20cm x 50cm. Age: 8+ years.