The tangram is a dissection puzzle consisting of seven flat shapes, called tans, which are put together to form shapes. The objective of the puzzle is to form a specific shape (given only an outline or silhouette) using all seven pieces, which may not overlap. This Coogam tangram puzzle book is the new designed and improved version of original.There is less of a chance of mess thanks to the tangram's magnetic design.Its 6.1"x5.9" dimensions and 7.4oz weight makes it very portable. This travel puzzle set contains 360 different patterns and solution, this patterns can help little minds grasp concrete patterns, abstract shapes, problem solving, and geometric shapes and sizes. They range in difficulty, but that means kids and adults can play, and kids can definitely grow with this. Jigsaw Puzzle Games is traditional teaching mathematics for above 3 years old. The Tangram can enhance children's patience and observation, practical ability, hand-eye coordination ability when playing puzzle games. Magnetic Tangram puzzle toys come with 7 small colorful simple magnetic plates, use different method to build the ever-changing image patterns, from easy to difficult. Really fun and educational game for inspiring children's intelligence.