24 Christmas Advent Calendar Wooden Luban Lock Brainteaser Puzzle ToyFeatures:.There are 24 versions in total. Starting from December and they will be done till Christmas, one surprise per day!.The package looks like a gift. Open the box one by one feels like open different kinds of gift..6 Kong Ming locks and 18 brainteasers which can not only cultivate children’s creativity and action ability, but also fit for the old. Have a good weekend with this calender!.Made from high-quality and eco-friendly wood which is stable and corrosion resistant. It can be unlocked by intelligence but violence..It can be used at party to make more fun.Specifications:.Material: Stainless Steel + Wood.Product Weight: 500g.Package Dimensions: 30 x 24 x 5cm.Package Weight: 600g.Packing: Christmas Graphic Carton