This metal puzzle set consists of 8 classic metal puzzles, all of which are very classic and popular, and are very suitable for children and adults.Product description 1. After solving each puzzle yourself, then you will get achievements, but we still attach charts to satisfy some people. 2. Superb craftsmanship and high quality. Come with 8 different puzzles with different difficulty levels. 3. Condensed with the metal brain teasers of traditional Chinese culture, they are quite interesting.Features: Not easy to break. Can be stored for a long time.Product attribute Material: carbon steel (nickel-plated) Type: Puzzle Applicable age: over six years oldWarm reminder 1. Please remember that due to the lighting effects, the monitor's brightness / contrast settings / etc's, there will be some slight differences in the color of the pictures and the actual items. Measured by hand, deviations of 1-2 cm are possible. 2. Please leave us a message if you have any questions. We will respond and offer you our best service.