Finally, a puzzle that's both a satisfying challenge AND a sneaky excuse to brush up on your chemistry — Mendeleev would be proud. This EuroGraphics 1000-piece jigsaw puzzle features the full colorful Periodic Table of the Elements, complete with element symbols, atomic numbers, and data charts. It's the perfect gift for the science lover, curious mind, or anyone who wants to feel extremely intelligent while sitting on the couch for three hours.