Description: This lock is an ancient Chinese traditional civil construction fixed combinerThere are various kind of toys which belong to Kong Ming lock, with different shapes and internal structures and are generally easy to dismantle but hard to install. Assembly requires careful observation, thinking and analysis of its internal structure.Conducive to the development of the brain, flexible fingers, it is a great educational toys. Great for showing your noble taste. Great for both home and travel use. A must for personal use or gifts. Color: woodMaterial: woodPackage dimensions: about 8 x 5 x 5 cm Product dimensions: about 45 x 45 x 45 mm (before unfolding)Shape: regular hexahedronSuitable for kids over 6 years oldFeatures: Puzzle, brain health, relax physically and mentally, develop intelligence, flexible fingers, full of fun Maintenance: Clean with a dry cloth, prohibit from water and exposure to sunNote:1. Small parts included. Children under 3 years old are prohibited from using2. Please use under supervision of adults1 x Puzzle Jigsaw1 x Instruction drawingIn original package<br /><img src="http://img6.eachbuyer.com/x9/p100/bw456_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bw456_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bw456_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bw456_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bw456_5.jpg" />