Mole Set - 4 Metal Bars that Represent "1 Mole" of the Element - Copper, Iron, Zinc, Aluminum

The set of 4 metal bars (Copper, Iron, Zinc, and Aluminum) each represent one mole. This is a great way to represent the abstract concept of mole and molar mass in a visually and kinesthetically effective way.

Bar Measurements: (A) 2.3" W x 0.5" L x 0.5"H - (B) 2.5" W x 0.5" L x 0.5"H - (C) 1.8"W x 0.5" L x 0.5"H - (D) 1.8" W x 0.5" L x 0.5"H