"100 Ten Kids" is an early childhood educational brand that collaborates with the Koguma-Kai from the study cram in collaboration with the Phenosha.
Sankaku Puzzles foster a sense of shape through hand shapes such as "looking at the sample, create the same, or move one by one to create different shapes".
By using 12 large and small puzzles, you can follow the problem book and create various shapes to naturally recognize the characteristics of the shapes.
Step up a little by little due to the problem of color and size and number of puzzle pieces.
Includes all 100 puzzle issues with 40 basic and 60 application versions.