The Rokr Treasure Box 3D Wooden Kit from the wooden models range measures 100 x 124 x 85mm. Add a more elegant touch with the beautifully carved Treasure Box. Not only assembly but also the unlocking process brings a lot of fun. After input the code, you use a key to open it. Then you can keep your private items or jewelry in it safe and soundSet a three-digit number as your pass code. There are 810 sets of codes to choose from (listed in the manual). You need to rotate the knob according to the instruction carefully, because it cannot be changed once set.The kit consists of 123 pieces and will spark 3~4 hours building fun for you. You can assemble them together completely by pins and tails without glue. High-tech laser-cutting makes precise and smooth edge, so parts are fit well and easy to assemble. They are made of natural plywood without any added toxins, both safe and eco-friendly. Brand: RokrModel: LK502 Treasure Box 3D Wooden Kit