Check the listing for details. Pennsylvania Lumber Museum Puzzle Box. Color: Brown, Condition: Used. Listed at 20.00 USD. Wood Pine tree shape puzzle box. The eye catching details and variation of wood grains enhance its beauty. To open the tree puzzle box, simply push the wooden key all the way up and remove it – but do not lose it; than slide the top of the box off of its bottom part; and SURPRISE – there is a place for your special treasure, trinket, or money – whatever you choose to hide in the puzzle. See the photos for an example. To close the puzzle box back up you simply slide the top part over the bottom part and secure it with the wooden key. The pine tree puzzle box measures approx. 6 1/2″L x 3 1/2″ W and 2″ deep. Wood grains and color variations make this a unique puzzle treasure box. Make sure to check out all the photos to see the other puzzle boxes that we offer in our collection.