15-Piece Cube Set: Enjoy a comprehensive collection of 10mm metal cubes, including Tungsten, Titanium, Bismuth, Carbon, Aluminum, Iron, Magnesium, Copper, Zinc, Chromium, Nickel, Tin, Antimony, Zirconium Molybdenum cubesPrecision Engineering: The 10mm cubes are non- safe for all ages. They are manufactured using advanced technology to produce crisp edges flat surfaces with the lowest market tolerance (and\/-0.1) mm.Laboratory Grade Purity: The metal cubes have exceptional purity levels, ranging from 99.5% to 99.99% for different elements. Vacuum packed to preserve their natural appearance prevent oxidation.Laser Engraved: Each cube is engraved with the chemical symbol, name, number, density, purity, mass melting point.Unique Variety: Includes several rare metals. 11x density range, ranging from 1.73 g\/cm3 (magnesium) to 0.7 oz\/cm3 (tungsten). Includes carrying case periodic table booklet.Colour:As ShownMaterial:MetalPackage Contents:1set x tungsten cubeOnly the above package content, other products are not included.Note: Light reflection different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is and\/- 1-3cm.