5 PCS Element Cube Set 10mm Tungsten,Niobium, Nickel, Copper, Titanium Density Cubes Up to 99.99% Pure Daily Metal Cubes for Collections DIYs - YVZOTCK, S0855

• 10mm Precision Machined Density Cubes: tungsten cube , copper cubes , niobium cubes , nickel cube ,titanium cube Periodic table of elements: Precision machined from high purity Metal, ground surfaces, and laser etched labels Density cubes for Element Collection Lab Experiment Material Hobbies Substance Block Display. Element cubes perfect for classrooms, offices, co-working spaces, science departments, and home schools. NOTE: SAFE for all ages! The element cubes are non-toxic and the edges are rounded for safe handling Each cube made from high purity metal and featuring attractive, ground surfaces and laser etched labels. Precision machined for super flat facets and 0.1mm tolerance to come very close to theoretical density