KUMON's balance puzzle cultivates logical thinking. Used twice, and I think it's in good condition. - Brand: KUMON - Product Name: Balance Logic Puzzle - Set Contents: Balance scale (assembly required), 　Weights (gray 8, pink 4, yellow 2, light blue 2), 　10 bags, instruction and problem book - Target Age: 5 years and older - Puzzle Type: Logic Puzzle Yu-Yu Mercari delivery or Rakuraku Mercari delivery may be used. Thank you for looking.