Ravensburger 3D Puzzles. Explore a unique and fun three-dimensional puzzle concept – 3D puzzles from Ravensburger! Thanks to our Easy Click technology, the plastic puzzle pieces fit together perfectly. Build impressive 3D objects with individually shaped and bendable puzzle pieces – no glue required! Assemble world-famous buildings such as the Eiffel Tower or the Empire State Building, or find your 3D puzzle ball image from our wide range of puzzles with different numbers of pieces. Good luck with your 3D puzzle adventure!