The Periodic Table of the Elements Jigsaw Puzzle contains the name, symbol, atomic number, atomic weight & electronic configuration of each element. This cornerstone of the academic discipline of chemistry has found wide application in physics, biology, engineering & industry. This superior quality puzzle will delight & educate all at the same time. Strong high-quality pieces that won't break. Easy fit puzzle pieces. Made from recycled board. Dimensions: 48.9 x 67.6cm Number of Pieces: 1000