Tenchi puzzle is similar to tangram, but is more complicated in that Tenchi Puzzle is composed of eight puzzles. It has 1 large isosceles right angle triangle, 1 medium right angle triangle, 3 small isosceles right triangle, 1 square, 1 parallelogram, and 1 trapezoid. These 8 pieces can be put together to form many types of graphics, and thus children’s shape ability can be fostered during the process. We will provide worksheets with various graphics, such as children, men, women, animals, plants, transportation, building, and other small objects that appear in daily life. Children are also welcome to try to use their own imagination to make all sorts of patterns.