6-piece Metal Brain Teaser Puzzle Set with multiple classic unlock designs. Take apart the puzzles by hand and reassemble them in reverse order. These puzzles are mind-bending and stress-relieving, helping develop logical thinking. Suitable for kids for intellectual development and adults for leisure use. Compact and easy to carry, offering fun mental challenges.
Material: Nickel-plated iron. OEM labeling, packaging replacement and custom production based on samples are available.
Size: 21.3*13.5*2cm, Weight: about 100g, Carton Specification: 62*44*43cm (200 pieces per carton)
