Kumon Publishing Compare Weights and Make Balance Logic Puzzle Arithmetic Balance Problem Junior High School Entrance Exam Logical Thinking KUMON

Compare jewels of different weights and take on the challenge of balance problems! Cultivate logical and mathematical thinking skills. [Set contents] 1 balance (assembly required), 4 weights of each type (16 in total), 10 bags, 1 commentary and question book Age: 5 years old and above / ST acquired Age: 5 years old and above / ST acquired