High quality: This set consists of four highdensitycubes, including tungsten, aluminum, titanium, and copper, with a long service life. Copper cube 8.9g Cu 99.95%, aluminum cube 2.7g Al 99.99%, titanium 4.57g Ti equal 99.5%, tungsten cube 19.16g equal 99.95%.Densitycube: 10mm,+/0.05mm. High purity, up to 99.99% (non alloy), suitable for elements collection and display.Cubecontains the information of laser marking, including: Atomic number, Chemical symbol, name, density, purity and atomic mass.Metal densitycube periodic table elements plate is used for elements collection, laboratory experimental materials, and display of material blocks. Elementscubes are perfect for classrooms, offices, public areas, science departments, and home schools.The elementscube is completely handmade without sharp edges. It is very suitable for collection. Eachcube is packed in a sealed bag and carried with youThese densitycubes are designed for educational environments, rather than ultra highprecision manufacturing. The expected tolerance is within the range of+/5% of the specified size (although usually more stringent).Due to the properties of the raw material metal, some oxidation may occur during storage. Simply wipe off each layer of oxide to make the cube look completely new.The DensityCube provides a wide range of educational applications, suitable for all levels of courses, including chemistry, physics, density measurement, specific heat, and gravity research.Suitable for science education projects, including a wide range of activities such as handson experimenColour:As ShownMaterial:MetalSize:Side length:10mm (approximately 0.39 inches)Package Contents:1set * cesium metalOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.