Eiffel Tower 3D intelligent jigsaw puzzle toy DIY wood stereo jigsaw puzzleSize: 19.8*19.8*50*cmFeatures:Easy assemble. No glue required， No battery required. Great fun for the whole family. Top Quality Children's Item. You can fly your imagination and stain it the color you prefer yourself or with kids， friends，etc.DIY wooden 3D puzzle. Green material to ensure safety. Knowledge of structurology and mechanics.