The MinPunk Puzzle Box (Self Assembly Kit) includes everything you need. Created by NDK Puzzles, this Enigma coin box requires 5 movements involving gears that cause other pieces to turn. Bringing about a steam punk look, this puzzle kit is perfect for gift giving! Made of Poplar plywood. Kit contains: 48 pre-cut pieces assembly instructions glue sandpaper wax Dimensions: 9 x 8 x 7.5 cm Secret space is approximately 5 x 5 x 4.5 cm. Suitable for ages 14+