YTGZS Tungsten Cube Pure Metal High Density W Element Cube for Element Collections Lab Experiment Material Hobbies,20mmx20mmx20mm

tungsten cube with 99.95% purity element simple substance, which is suitable for element collections, hobbies, DIY, experiments, material display. PERFECT for density samples, teachers, classrooms, home-schooling, science kits, and more. metal samples cubes are made of high density W element cube, safe and reliable, which are practical educational applications for different grade levels, also are suitable for element collections and display. W element cube appearance after precise cutting and fine craftsmanship. Density cubes can be applied for labs, offices, science sections, teachers, gifts, science demonstrations, and are suitable for different ages, with a nice understanding of metals, elements, different densities