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Discover a variety of math relationships using the versatile interlocking gram cube! Each precis..
Discover a variety of math relationships using the versatile interlocking gram cube! Each precis..
Ten-piece precision weight set includes two each of 1 g, 2 g, 5 g, and 10 g; and one each of 20 ..
These color-coded stacking masses help children see mass relationships at a glance. Each color r..
Great for measuring and weighing. Each of these non-interlocking cubes weighs 1 g. Ten bright co..
Great for measuring and weighing. Each of these non-interlocking cubes weighs 1 g. Ten bright co..
These easy-to-stack metal weights are hexagon shaped to prevent rolling. Set includes one 1-lb. ..
Eight pieces. 50 g x 1 g. Set includes 50 gram, 20 gram, 10 gram, two 5 gram, two 2 gram, and 1 ..
These color-coded stacking masses help children see mass relationships at a glance. Each color r..
These square masses work on any balance. Color-coded pieces make measurement easy (1 g = yellow;..
These square masses work on any balance. Color-coded pieces make measurement easy (1 g = yellow;..
Precise, multi-sided weights with steel inserts, sealed in plastic with rounded edges for safety..
Precise, multi-sided weights with steel inserts, sealed in plastic with rounded edges for safety..
These red and blue numbers in 5 g weight increments (5 grams to 50 grams) let you teach about nu..