The Ravensburger Earth 3D Globe Puzzle is built with 540 curved plastic pieces, engineered to securely snap together without the use of glue to form a smooth and sturdy globe. Each plastic piece features a detailed section of our Earth and provides a hands-on way to explore the globe from the comfort of your living room. Numbers and arrows are printed on the back of each piece to provide direction in the building process. Suitable for ages 12 years and up. Detailed 8.7' Globe. 540 plastic puzzle pieces snap together to build a smooth and sturdy globe. Includes a metal rotating stand that allows you to spin the globe on it's axis exploring every detail of the globe. A perfect puzzle to study the globe and a smart choice for the discerning parent or educator.