"LW Scientific"

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.