Specification AgeRangeDescription : little_kid Brand : Generic BulletPoint1 : Niobium cube with periodic table engraved on it BulletPoint2 : Its purity is ≥99.95% BulletPoint3 : Its size is 10*10*10mm BulletPoint4 : Its weight is approximately 8.58g BulletPoint5 : Package includes: 8pcs niobium cubes Color : Coffee CpsiaCautionaryStatement : no_warning_applicable EducationalObjective : Creative Skills FabricType : Wood, Lint IncludedComponents : 8pcs ItemName : 8pcs 10mm Color Pure Niobium Metal Cube, 99.95% High-Purity Engraving Nb,for Element Sample Collection,Demonstration, Scientific and Laboratory Experimental Projects in The Periodic Tabl ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 10 centimeters ItemShape : Runner ItemTypeKeyword : science-classroom-specimens Manufacturer : Generic ManufacturerMinimumAge : 180 Material : wood, lint ModelName : Shadow Boxes ModelNumber : 158AJJ02N60DZ36J014PD NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : NB10MM2025041648 ProductDescription : Niobium, with the element symbol Nb and atomic number 41, belongs to the VB group of metals. Its density is 8.57g/cm³, its melting point is as high as 2477°C, and its boiling point is 4744°C. Niobium is silver-gray, soft and ductile, and is a rare high-melting-point metal.