8-piece Metal Brain Teaser Puzzle Set with multiple classic unlock designs, derived from the traditional Nine Linked Rings puzzle game that boosts logical thinking. Taking apart and reassembling the puzzles repeatedly helps improve children's concentration and spatial thinking skills, and it also serves as a stress reliever and pastime for adults. Made of sturdy and smooth metal, these puzzles are compact and easy to carry, ideal for use during class breaks, business trips or at home, and bring great fun to parent-child interaction. Material: Nickel-plated iron. OEM labeling, packaging replacement and custom production based on provided samples are available.
Size: 18*14*2cm, Weight: Approximately 90g per piece, Carton Specification: 68*34.5*34.5cm (200 boxes)
