This stylish 1 inch pure Copper cube, engraved with the element's symbol, electron configuration (# per shell), and atomic mass, would make a great addition to any element set/collection.
- SAFE for all ages! Our element cubes are non-toxic and the edges are rounded for safe handling
- PERFECT for classrooms, offices, co-working spaces, science departments, and home schools
- THE ULTIMATE holiday gift, shipped for free!