Mini Series 1 Architecture Set 3d Puzzle Set - 99pcs. Mini Series 1 Famous Structures 3d Puzzle Set. Each Model Varies in Size When Competed. This Is a 99pc Puzzle Set. Structures Include Tower Bridge, Burj Al Arab, Petronas Towers, Tower of Pisa, and Eiffel Tower. Made of Precut Thick Cardboard. Just Pull the Puzzle Pieces Out of the Cardboard Sheets and Assemble It Together. Instructions Included.