Secret Lock Box Wood Brain Teaser Puzzle - Unique Design - Put a Gift Inside Beautiful all hardwood puzzle box with a unique design Great fun for placing a gift inside - they will have to solve the puzzle to get the gift! 5 1/8" x 3' x 3" on outside. Inside (max size of item that will fit) is 3 3/8"x 2 1/8" x 2 1/8"