About This

• Ideal for party games, family games, office toys, relaxation and killing time, decompression toys.
• The Kongming lock is made of bamboo and the metal lock is made of thick and durable stainless steel.
• Products can train your creative thinking, exercise hands-on ability, and develop problem-solving skills.
• The perfect size makes it easy to operate with small hands and big hands, and you can practice concentration.
• Brain Teaser 12 Sets : 4 Wooden 3D Puzzles + 8 Iron Metal Puzzles，Includes prompt instructions.Recommended for use over 6 years of age.