The Atom - 1000pc Educational Jigsaw Puzzle by Eurographics

One of the most basic units of matter, the atom is the building block of us, our world, our universe and all known matter. Here it is explained in detailed diagrams, basic scientific data and historical background. Eurographics puzzles are made according to high standards; 100% recyclable materials, non-toxic and vegetable based inks, 0.07" blueboard for exact piece fit without fraying, and certified by the Forest Stewardship Council.