10mm High Purity Simple Substance Metalcube Element Collection Display Lab Experiment Material Block 7 Optional

Features:
7 metal cubes for you to choose: Sb, Cu, Ti, Co, Nb, W, Mo, or you can choose took all of them home.
Cubes with the dimension of 10*10*10 (+/-0.05)mm, that is 0.39 inch.
The periodic number of density cycle number, atomic density, weight, purity, full name, reduced information are marked on the surface.
Due to the nature of rawmetals, some oxidation or corrosion due to humidity and storage may occur, simply scuff any oxidation off to make cubes looks new again.
It is designed to be used in an educational setting and are not fabricated using ultra high precisions machining, expect tolerances in the 5% ranges of any stated dimension (although they are generally much tighter).
High purity element simple substance for element collections, hobbies, DIY, experiments, material display.
Perfect for classrooms, offices, science departments, and home schools.