KUMON PUBLISHING 3D Tangram Educational Toy Examination Arithmetic 3D Passle ST Acquisition KUMON TOY from 5 years old RT-10

This is a puzzle where you put pieces together using a 3-sided diagram as a hint. Develop spatial awareness, the ability to read diagrams and think. Using the silhouette seen from above and the figure seen from the front, back, left, and right as clues, combine the pieces to create a three-dimensional object. Develop advanced thinking skills that combine multiple pieces of information given from diagrams. Target age: 5 years old and up / Set contents: 10 pieces (9 types), 1 stand sheet, 1 problem book ST acquisition