The Periodic Table of Elements 200-Piece Puzzle. Box size: 8" x 8" x 2.37". Finished Puzzle Size: 13" x 19". 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. Ensuring a snug fit and hours of relaxing enjoyment. Premium Quality: Crafted with premium blueboard and a linen finish for a durable, glare-free experience. Eco-Friendly:Manufactured using recycled and responsibly sourced materials.