Challenge Your Mind: Metal Grenade Lock Puzzle – The Ultimate Brain Teaser

• Premium cast metal construction with authentic grenade-like design for a realistic feel and durability
• Ingenious mechanical puzzle that requires observation, logical reasoning, and precise manipulation
• Perfect brain teaser for ages 12+ that develops problem-solving skills and spatial awareness
• Includes solution guide for when you’re stumped, making it accessible for all skill levels
• Makes an impressive gift for puzzle enthusiasts, collectors, and anyone who enjoys a mental challenge