Key Features Builds into scale model London's iconic Tower Bridge High quality 216 piece plastic jigsaw puzzle The finished puzzle measures 117cm wide when complete. Suitable for ages 10 years and up. This puzzle uses unique plastic pieces, which slot together to build this sturdy and strong model. No glue required! Each puzzle piece is printed with a number on the reverse side, so you can either assemble the puzzle by eye, or just by following the numbers.