Ravensburger - 522pc 3D Puzzle - The Solar SystemWith this set of eight different 3D puzzles, you can build and create the Solar System in miniature. The 3D puzzles are scaled to represent the different sizes of the planets, so Saturn and Jupiter are represented as 108pc puzzles, Uranus and Neptune as 72pc, Earth and Venus as 54pc and Mars and Mercury as 27pc puzzles. This totals 522 pieces in all, making it a fun challenge for any puzzle enthusiast. High Quality 3D PuzzleEach puzzle has curved,