"SCIENTIFIC hatch"

Set of 54 Includes twenty 1 g (blue), twenty 5 g (red), ten 10 g (yellow), and four 20 g (green) weights. These colored and coded stacking masses help children see mass relationships at a glance. Each color represents a different thickness and mass. Includes plastic storage box.

Students Learn That the Density of a Substance is Constant, Even as Its Mass and Volume Change.

High quality for the classroom.

High Quality for the Classroom.

Sets of stainless steel balance weights individually stamped and packed in a premium wooden storage block.

Milligram Weights for your Classroom.

Accurate Results at an Affordable Cost

Individual cast iron slotted weights.

Slotted brass weights for use with hangers.

Slotted brass weights with an included hanger.

Zinc plated hexagonal masses.

Hooked aluminum mass set with storage base.

Enameled hooked weights with a plastic storage case.

Stainless steel hooked weight set.

Brass hooked weights with a storage block.

Accurate non-rolling hexagonal steel masses.