0.39 inch 10mm Lead Plumbum Metal Cube Pb up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Tungsten Wolfram Metal Cube W up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Copper Metal Cube Cu up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Titanium Metal Cube Ti up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Chromium Metal Cube Cr up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Ytterbium Metal Cube Yb up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Aluminium Metal Cube Al up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Zinc Metal Cube Zn up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Zinc Metal Cube Zn up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Nickel Metal Cube Ni up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Titanium Metal Cube Ti up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Nickel Metal Cube Ni up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Zinc Zn Metal Cube up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Magnesium Metal Cube Mg up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Aluminium Metal Cube Al up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Aluminium Metal Cube Al up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Samarium Metal Cube Sm up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Chromium Metal Cube Cr up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Holmium Metal Cube Ho 99.9% Pure Periodic Table Element Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Aluminium Metal Cube Al up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Magnesium Metal Cube Mg up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Iron Ferrum Metal Cube Fe up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Aluminium Metal Cube Al up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Soft Indium Metal Cube in up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Carbon Cube C up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Zirconium Metal Cube Zr up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Nickel Metal Cube Ni up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Antimony Metal Cube Sb up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Cobalt Metal Cube Co up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Gadolinium Metal Cube Gd 99.9% Pure Periodic Table Element Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Iron Ferrum Metal Cube Fe up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Tin Stannum Sn Metal Cube up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Zirconium Metal Cube Zr up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Titanium Metal Cube Ti up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Aluminium Metal Cube Al up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Copper Metal Cube Cu up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Bismuth Metal Cube Bi up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Silver Argentum Metal Cube Ag up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Aluminium Metal Cube Al up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Niobium Metal Cube Nb up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Yttrium Metal Cube Y up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Aluminium Metal Cube Al up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Copper Metal Cube Cu up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Niobium Metal Cube Nb up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Magnesium Metal Cube Mg up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Aluminium Metal Cube Al up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Cobalt Metal Cube Co up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Fluorine Teflon 75% Pure Cube F Periodic Table Element Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Tin Stannum Metal Cube Sn up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Tin Stannum Metal Cube Sn up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Bismuth Metal Cube Bi up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Antimony Metal Cube Sb up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Molybdenum Metal Cube Mo up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Chromium Metal Cube Cr up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Molybdenum Metal Cube Mo up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Carbon Cube C up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Lead Plumbum Metal Cube Pb up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Lead Plumbum Metal Cube Pb up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Tellurium Metal Cube Te 99.99% Pure Periodic Table Element Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Vanadium Metal Cube V up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Iron Ferrum Metal Cube Fe up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Tantalum Metal Cube Ta up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Erbium Metal Cube Er up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Gadolinium Metal Cube Gd up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Carbon Cube C up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Lead Plumbum Metal Cube Pb up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1.5" 38.1mm Zirconium Metal Cube Zr up to 99.9% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Cadmium Metal Cube Cd up to 99.99% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Tellurium Metal Cube Te up to 99.99% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Dysprosium Metal Cube Dy up to 99.99% Pure Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

1" 25.4mm Fluorine Teflon 75% Pure Cube F Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC

0.39" 10mm Fluorine Teflon 75% Pure Cube F Periodic Table Element Engraved Density Collection Science Education Display Block Cube + Acrylic Case Box - 1PC