Let's put it in! Let's open it! Can you do it? Key-Filled Brain-Boosting Puzzle We played with it for about 2 years, but its frequency of use decreased as we grew, so I'm putting it up for sale while it's still in good condition. Since it's been used by a child, there may be some minor stains if you look closely, but there is no major damage and I think it can still be used comfortably. It will be placed in the product cardboard box and delivered with simple packaging. The box is only for packaging, so please understand its condition. There is a slight tear. *Please purchase with the understanding that this is a personally stored, used item that a child has played with. [Set Details] ・Main unit ・12 puzzle pieces ・3 Baikinman keys ・3 Dokin-chan keys