8-piece metal intelligence puzzle lock set with multiple classic unlocking designs, derived from the traditional Nine Linked Rings puzzle game that boosts logical thinking. Repeated disassembly and reassembly help improve children's concentration and spatial thinking ability, and it also serves as a stress reliever and pastime for adults. Made of sturdy and smooth metal, this set is compact and easy to carry, suitable for playing during class breaks, business trips and at home, and brings great fun to parent-child interaction. Material: nickel-plated iron. OEM labeling, packaging replacement and sample-based customization are available.
Dimensions: 18*14*2cm
Weight: Approximately 90g per piece
Carton Specification: 68*34.5*34.5cm (200 boxes)
