Density Set Brass, Set of 12 brass cylindrical bars of different length but the same diameter. Students learn that the density of a substance is constanteven as its mass and volume change. Comes in an attractive wooden holder
Hooked Weight Set, Material: stainless steel, Both sets come with a sturdy plastic storage block, includes one each of 5g, 10g, 50g, 100g, and 500g, plus two each of 20g and 200g weights, set of 9
Hooked Weight Set, Material: stainless steel, Both sets come with a sturdy plastic storage block, includes one each of 5g, 10g, 50g, 100g, and 500g, plus two each of 20g and 200g weights, one each 1000g weight, set of 10
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