16 PIECE CUBE SET: Enjoy a comprehensive collection of 10mm metal cubes, including a cube of Molybdenum, Ferrum, Niobium, Zinc, Zirconium, Titanium, Aluminium, Bismuth, Magnesium, Chromium, Antimony, Silver, Stannum, Carbon, Copper, Nickel 10mm cubes are non- and safe for all ages. They are manufactured with leading- to produce crisp edges and flat facets with the lowest market tolerance (+/-0.1)mm.Suitable for Elements collecting Cube contains the information of laser marking, including: Atomic number, Chemical symbol, name, density, purity and atomic mass. Metal density cube periodic table elements plate is used for elements collection, laboratory experimental materials, and display of material blocks. Elements cubes are Perfect for classrooms, offices, public areas, science departments, and home schools. The elements cube is completely handmade without sharp edges. It is very suitable for collection. Each cube is delivered in a sealed bag and equipped with a separate transparent box Product description: Side length: 10mm (. 0.39 inches) Exquisite handmade: 10 mm/ 0.39 inch periodic table cubes are handcrafted to a tolerance of 0.05 mm differences and have no pointed edges to scratch your hands. Each cube is protected in a vacuum sealed bag to prevent oxidation and equipped with a separate transparent box Density Cube offers a wide range of educational applications suitable for all class levels, including chemistry classes, physics classes, density measurement, specific heat and specific gravity research. Suitable for science education projects, including a wide range of activities, such as hands-on experiments in engineering, aviation, robotics, energy, chemistry, physics, biology and geology. Material: Metal colour: As Shown Package Contents: 16 x elements cube(Molybdenum, Ferrum, Niobium, Zinc, Zirconium, Titanium, Aluminium, Bismuth, Magnesium, Chromium, Antimony, Silver, Stannum, Carbon, Copper, Nickel) Only 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 +/- 1-3cm.