Kambojtraders Density Cubes Set of 6 Metals, 20mm (Brass, Lead, Iron, Copper, Aluminum, Zinc)  (Multicolor)

Collection can be attractive and addictive. Periodic table element collection is just like so. Therefore, we can always see, large or small, a periodic table with real elements displayed in some institutes or universities or some famouse people. It's always a great topic there. The cubes are just perfect for collections. The cubes are made from original pure element, with up to 99.9999% lab-use grade purities. Most of them are with brushed metallic strips. Some models can be anodyzing colorful.