15 Pack Element Cubes 10mm Density Cube 0.39" for Periodic Table Collection Up to 99.99% Purity (0.39", 15-kit, 15)

Explore our extensive selection of metal cubes, featuring 15 Pieces, including Tungsten, Titanium, Bismuth, Chromium, Nickel, Tin, Antimony, Zirconium, Molybdenum,Carbon, Aluminum, Iron, Magnesium, Copper, Zinc and more. Each cube showcases unparalleled purity levels, varying from 99.5% to 99.99% across different elements. Precision engineering makes these cubes safe and suitable for all ages. Cutting-edge technology creates sharp corners and smooth faces, maintaining the industry's lowest tolerance of (+/-0.1)mm.

• 15 Pieces, including W Ti Bi Cr Ni Sn Sb Zr Mo C Al Fe Mg Cu and Zn.
• High purities, up to 99.99%. Each cube been sealed in vaccum bag, to protect from oxidation.
• CNC cuttings with +/-0.1mm tolerance, to ensure high accuracy of the density weight. (Carbon is an exception.)
• Double face laser engraved element information, along with Magerial Science mark, so that the quality and purity guranteed.
• Great for many occasions, such as holiday gift, business gift, chemical class, etc. It can always be a topic there when people sees them.