The Ravensburger Children\'s World Globe 180 Piece 3D Puzzle is a fantastic way to learn about the geography of our world, including countries, continents and oceans! The 180 curved plastic pieces build into a sturdy 3D sphere, which comes with its own clever stand so the finished globe can be rotated. This puzzle uses unique plastic pieces, which slot together to build this sturdy and strong model with 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. The finished puzzle measures 20cm in diameter when complete.