Features & Benefits
- Non-toxic and safe cubes manufactured with leading-edge technology
- Exceptional purity levels ranging from 99.5% to 99.99% for different elements
- Engraved with detailed information for each element
- Massive 11x range of densities varying from 1.73 g/cm3 to 19.3 g/cm3
- A perfect set for element collection, classroom, science experiment, or educational gifts