Features: 1. The tangram is a dissection puzzle consisting of 7 flat shapes, which are put together to form shapes. 2. The objective of the puzzle is to form a specific shape given only an outline or silhouette using all 7 pieces, which may not overlap. 3. There is less of a chance of mess thanks to the tangram39;s magnetic design. 4. This travel puzzle set contains different patterns and solution, this patterns can help little minds grasp concrete patterns, abstract shapes, problem solving, and geometric shapes and sizes. 5. Puzzle Games is traditional teaching mathematics for above 3 years old. The Tangram can enhance children39;s patience and observation, practical ability, hand-eye coordination ability when playing puzzle games. Specification: Size: 22 x 18 x 1.5cm Notice: 1.Due to the different monitor and light effect, the actual color may be a slightly different from the picture color. 2.Please allow 1-3cm differs due to manual measurement. Package List: 1 x Magnetic Pattern Block Book