This Night Edition Colosseum puzzle uses LED technology to create coloured lighting effect. The puzzle uses unique hinged plastic pieces, which slot together to build a sturdy and strong building. No glue required. The Colosseum puzzle has 216 high quality plastic pieces and measures 32cm long when complete. 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. Enjoy one of the world's most famous buildings lit up in your own home.