The most beautiful periodic table puzzle available! This gorgeous and challenging 1000-piece jigsaw puzzle of Theodore Gray's photographic periodic table is based on his bestseller, The Elements. The Elements: A Visual Exploration of Every Known Atom in the Universe by Theodore Gray is growing in popularity. Both the hardcover print book and the ebook app for the iPad have become worldwide bestsellers, popular with readers of literally every age, from toddlers to senior citizens. The Elements Puzzle, made of high-quality, sturdy material, is a 914.4 x 406.4mm 1000 piece puzzle, in the shape of Theodore Gray's famous photographic perodic table, and provides hours and hours of fun for the whole family (ages 4 and up) or for the classroom.