High-Speed Low-Friction Pulley on Rod, 10" Type_Apron Medium-size 5-inch pulley on a

Medium-size 5-inch pulley on a universal clamp accepting a variety of support surfaces

Built for drop-precision dispensing

verifying conservation of momentum in two dimensions for mechanics-unit investigations

Polyhedral 120mL glass alcohol lamp ships with a metal cap and fiber wick for low-temperature bench heating in chemistry and biology demonstrations

Pairs of lamps

High-Speed Low-Friction Pulley on Rod, 10" Type_Apron Medium-size 5-inch pulley on aTen inch high speed low friction pulley on a 12mm aluminum rod, pairing a 2 inch plastic wheel with a metal bearing for smooth, consistent rotation in force and motion experiments.