8-piece metal brain teaser puzzle set featuring multiple classic unlock designs, derived from the traditional logical puzzle game Nine Linked Rings. Repeated disassembly and reassembly help 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, this compact and portable puzzle can be played during class breaks, business trips or at home, bringing great fun to parent-child interaction. Material: nickel-plated iron. OEM labeling, packaging replacement and custom production based on provided samples are available.
Dimensions: 18*14*2cm, Weight: approx. 90g per piece, Carton Size: 68*34.5*34.5cm (200 boxes per carton)
