I was guessing that the metals were identified with initials, but don't count on a tiny speck of crumbly hard wax - totally inadequate.
Density Cubes Metals 20Mm Sides
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Optimized for SEO: United Scientific DCSET10 Density Cubes
π§ͺ Academic Education: Molecular Inorganic Chemistry
π Cylindrical Metal Length and Diameter
π§ Enhancing Anatomy Learning: Portable & Detachable Enlarged Anatomical Education Aid for Students
Anatomical Chart of Spinal Nerves and Dermatomes
KISSTAKER Removable Heart Visceral Educational Parts
π Laminated Anatomical Pack for Skeleton Ligaments