Element Cube Set 0.39” Density Metal Cube 10MM Up to 99.9% Purity for Students Teacher Science Lover Collection &DIY (9 PCS,C,Co,Cr,Bi,Al,Zn,Mg, V,Pb)

Friendly reminder: Due to the elemental metals, there will be different degrees of oxidation and darkening, so try to keep the cube dry. Reduce direct contact with your hands, sweat will accelerate the oxidation of the cube. Product Specifications: Color: The original element color Material: 99.99% pure metal Size:10MMx10MMX10MM Surface: Laser engraved information including element symbol, name, density, purity and atomic weight etc.

• HIGH DENSITY QUALITY MATERIAL: The element cube is made of high density metal elements, non-toxic, safe and reliable, purity up to 99.9%, size 10MM*10MM （0.39 inch）.
• PACKAGE INCLUDED：There are 9 elements in this element set, including Carbon (C), Cobalt (Co), Chromium (Cr), Bismuth (Bi), Aluminium (Al), Zinc (Zn), Magnesium (Mg), Vanadium (V), Lead (Pb).
• LASER ENGRAVING: The cubes are laser marked with information including atomic density, name, symbol, atomic number, atomic weight, purity, etc., which is convenient for you to identify and use.
• EASY STORAGE: Each element is vacuum-packed to maintain a natural appearance that is not easily oxidised. Each element is placed in a separate small acrylic storage box to keep the element in its truest state and avoid different element materials affecting each other. A large acrylic storage box is also included, making it easy to store and carry.
• WIDE APPLICATIONS : Ideal gift for teachers, students, children, friends, chemistry or science enthusiasts, etc.; Perfect desktop decorations for home or office; Excellent teaching tool to stimulate learning interest and deepen students' memory of the periodic table of elements.