Teach or learn basic weight and mass concepts with this set of 52 plastic weights - excellent for use by both teachers and young students or children at home. Each mass is molded from durable plastic, with central recesses to allow for stacking. Each is also color-coded to correspond to the value of each mass. The weight of each is also indicated on the top. Includes forty 1 gram masses, eight 5 gram masses, and four 10 gram masses. Pick up a set for the home or classroom today!
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