Wooden Logic Puzzle Brain Teasers Intellectual Toy Number Puzzle

Material: High-quality beech. Size: 5.5 x 4.72 x 2.75 inch Mission -- To make every row add up to 38. There are 15 rows in all directions to complete, each made up of 3, 4, or 5 pieces Recommended for ages 10 & up, children should be used under adult supervision, water-based paint, touch smooth. It is a great toy for exercising your brain, problem-solving, and logical thinking. Challenge and Fun for the whole family Product Dimensions 5.8 x 5.5 x 0.8 inches Item Weight 4 ounces