14-Piece Elements Square Set - 15mm Pure Metal Periodic Table Collection Product Overview: This 14-piece set features 15mm elemental squares representing various metal elements from the periodic table. Each square is made from solid, pure metal, making it a unique and educational collection for enthusiasts, students, or science lovers. The set includes a variety of harmless metals, providing a tangible way to explore different materials and their densities. Key Features: 14 Metal Elements: The set includes a range of metals, such as tungsten, aluminum, copper, titanium, molybdenum, iron, zinc, cobalt, carbon, niobium, bismuth, antimony, vanadium, and chromium, perfect for those interested in metal collections. Durable Construction: Each square is made from solid metal, ensuring reliability, sturdiness, and resistance to deformation or rust. Precision Machining: The elements are precision-cut for flatness and dimensional tolerance, closely matching their theoretical densities. The edges are finely processed, offering a smooth finish without burrs. Exquisite Appearance: Each piece is carefully cut and engraved with high-quality craftsmanship, making it visually appealing and ideal for display. Educational Value: This set is perfect for classrooms, offices, science departments, and homes, providing a hands-on experience with real metals and their properties, including density and weight. Meaningful Gift: An ideal gift for science enthusiasts of all ages, this collection offers a real-world understanding of various metals and their characteristics. Specifications: Material: Pure metal Element Size: 15mm x 15mm Color: As shown in the product images Package Contents: 1 set of 14 metal squares (sodium metal not included) Note: Due to light reflection and different displays, the item's color may slightly differ from the pictures shown. The allowed measurement error is +/- 1-3cm.