ITEM NAME:Bicycle Lock Metal Puzzle Brain Teaser Mind Game Toys Steel IQ Test Magic Description: Metal brain teaser condenses with traditional Chinese culture and they are quite interesting. Definitely a fun brain teaser that would be perfect for a little gift or as an add on gift. Challenging yet fun to play with. Intelligence game toy,Perfect for kids. Good for creative thinking and improve both your IQ & EQ,anyone can pick it up and play. It looks really nice if you're just looking for a simple brain teaser to entertain briefly, or a conversation piece, then you'll probably enjoy this. Specification: Materials: Metal Size: Approx. 11x5.2cm/4.33x2.04inch Package Includes: 1 Piece Metal Puzzle SKU: FUZ0023481861012153.Challenging yet fun to play with. if you're just looking for a simple brain teaser to entertain briefly, or a conversation piece, then you'll probably enjoy this. Good for creative thinking and improve both your IQ & EQ,anyone can pick it up and play.