Kumon Publishing 3D Tangram Educational Toy for 3D Ages 5 and ST Kumon Toy Exams, Math, Puzzle, Up, Certification, RT-10,

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This puzzle involves combining pieces using a three-dimensional diagram as a clue. It develops spatial awareness and the ability to read and think about diagrams. Using the silhouette from above and views from the front, back, left and right as clues, you can combine the pieces to create a three-dimensional object. It helps develop advanced thinking skills by combining multiple pieces of information provided by diagrams. Recommended ages: 5 years and up / Set contents: 10 pieces (9 types), 1 base sheet, 1 workbook ST acquisition