Ravensburger 3D Puzzles. Discover unique puzzle fun in the third dimension with 3D Puzzles from Ravensburger! Thanks to our Easy Click Technology, the plastic puzzle pieces fit together precisely. Create stunning 3D objects with individually shaped and bendable puzzle pieces û no glue required! Puzzle the worldÆs most famous buildings like the Eiffel Tower or the Empire State Building or find your favorite 3D puzzle ball image in our vast selection of designs in various piece counts. Happy puzzling in 3D!