Excellent for teaching weighing concepts! Mass sets in available in both square and round shapes. Molded from durable plastic with recesses so the masses are stackable. They are also color coded to correspond with the value of each mass. The weight is also imprinted into the top of each piece. 52 pieces: 40-1gm masses, 8-5gm masses, 4-10gm masses.
WARNING: CHOKING HAZARD - Small parts
Not for Children under 3 yrs
Country Of Origin
Round Stacking Mass Set - Retail
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