Specifications:This is a easy game which you can play anywhereThis Lock Puzzle Toy can train and develop your child's logicQuality of the wooden puzzle toy is outstanding and is almost impossible to understand until you actually touch and feel each lockGreat fun for all the family， keeps the kids busy for hoursMakes a wonderful gift for that someone specialCollectors， if you want a unique wooden puzzle toy， that will astound your friends， this is itMaterial: WoodSide Length: 68mm \/ 2.7inPackage Included:1 x wooden puzzle toy