Classic Math Wood Game Toy Mind Brain Teaser Wooden Puzzles for Adults Children Kids

• Item Size: 12.2 × 12.2 × 2.2 CM

• Material: wood

• Packaging: plastic shrink wrap

• Recommended age:  aged 6 & UP

Mission of this puzzle game:

To put all the 19PCS number blocks into the board to make addition of numbers in any direction line is 38.