Eurographics Periodic Table of Elements 1000 piece puzzle. Contains the name, symbol, atomic number, atomic weight and electronic configuration of each element. This cornerstone of the academic discipline of chemistry has found wide application in physics, biology, engineering and industry. The perfect revision tool! •made in the usa using the highest quality blueboard. •strong high-quality puzzle pieces offering an exact fit. •assembling puzzles improves fine motor skills and picture recognition abilities. Size of completed puzzle 67.6 x 48.9cm. Diameter of completed puzzle 83.4cm. Weight 0.7kg. For ages 12 years and over. EAN/MPN/UPC/ISBN: 628136610018.