3D Titanic Cruise Ship Natural Wood Puzzle Assembly DIY Wooden Puzzle Brain Teaser Consturction Kit model assembled size:27.9" L;5.9"W;13"H Made of pemium plywood Individual pieces slot to interlock with each other forming a 3D model Designs pre-cut, simply push out of board, no cutting tool or glue required 3D wooden puzzle are challenging and educational for children, and fun for adults