Nine Linked Rings Puzzle Toy Set: 25-Piece Stainless Steel Luban Locks for Primary School Children.

This engaging puzzle toy set features 25 pieces crafted from durable stainless steel, designed to challenge and entertain primary school children. Each set includes a variety of Luban locks, known for their intricate designs and brain-teasing complexity. These nine linked rings are perfect for developing problem-solving skills and improving concentration, making them an excellent educational tool. The puzzle set is ideal for curious young minds eager to explore and solve captivating mechanical challenges. Material: Metal Function: Puzzle Specification: Various Packing: Color Box Suitable age: Youth (15-35 years old) Manufacture country: China Instructions included: No