Pulley Large Demonstration Single, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them
Density Set - Aluminium, Set of 12 aluminium 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
Workbench 4-Station, Dimensions: 64inW x 54inD x 31-1/4inH, Material: Maple, 2-1/4in maple top, Double faced cabinet has two doors and an adjustable shelf on one side and on the other side has 6 locking drawers, non-emitting UV finish
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