7-1324 Stacking Mass Set Round

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The 7-1324 Round Stacking Mass Set consists of 52 pieces of: 40 of 1 gm masses, 8 of 5 gm, 4 of 10 gm.

These masses are excellent for teaching weighing concepts. Molded from durable plastic with recesses so the masses are stackable and color coded to correspond with the value of each mass. The weight value is also molded into the top of each piece.