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
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