Amazon.com: EuroGraphics (EURHR) Illustrated Periodic Table of The Elements 500Piece Puzzle 500Piece Jigsaw Puzzle, Multicoloured (6500-5355) : Toys & Games
Puzzle Martin Berry: Oops!, 500 pieces | Puzzle-USA.com
Eurographics (6500-5369) - "The Solar System Illustrated" - 500 pieces puzzle