Build a working replica of Big Ben with this Ravensburger 216 piece 3D puzzle that features a real working clock!High quality 216 piece plastic jigsaw puzzleThe finished puzzle measures 41cm high 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.