Weight/Mass Sets

Mass Set

Eight pieces. 50 g x 1 g. More.

Brass Mass Set

Ten-piece precision weight set includes two each of 1 g, 2 g, 5 g, and 10 g; and one each of 20 g and 50 g. More.

4, 8, and 12 g Bear Counters

Help students build their counting and sorting skills with this diverse group of colorful counting bears. This set offers bears in various weights for increased sorting possibilities. Each weight group features 8 bears each of 4 colors (red, blue, yello... More.

4, 6, 9, and 12 g Bear Counters

Help students build their counting and sorting skills with this diverse group of colorful counting bears. This set offers bears in various weights for increased sorting possibilities. Each weight group features 6 bears each of 4 colors (red, blue, yello... More.

1,000 Interlocking Gram Centimeter Cubes

Discover a variety of math relationships using the versatile interlocking gram cube! Each precision cube measures 1 cm on an edge, has a volume of 1 cm³, displaces 1 ml, and has a mass of 1 g. More.

500 Interlocking Gram Centimeter Cubes

Discover a variety of math relationships using the versatile interlocking gram cube! Each precision cube measures 1 cm on an edge, has a volume of 1 cm³, displaces 1 ml, and has a mass of 1 g. More.

Metric Weight Set of 54

These color-coded stacking masses help children see mass relationships at a glance. Each color represents a different thickness and mass. Weights include twenty 1 g (blue), twenty 5 g (red), ten 10 g (yellow), and four 20 g (green). 300 g set. Grade... More.

Metric Weight Set of 35

These color-coded stacking masses help children see mass relationships at a glance. Each color represents a different thickness and mass. Weights include twenty 5 g (red), ten 10 g (yellow), and five 20 g (green). 300 g set. Grades 1-8. More.

Centimeter Gram Cubes – Set of 500

Great for measuring and weighing. Each of these non-interlocking cubes weighs 1 g. Ten bright colors. More.

Centimeter Cubes – Set of 1,000

Great for measuring and weighing. Each of these non-interlocking cubes weighs 1 g. Ten bright colors. More.