Slotted Mass Set, 1000g, Zinc-Cast Geology sized for whole-class visibility during

sized for whole-class visibility during gas-law and fluid-mechanics lessons

Penny head solid cone stopper in borosilicate glass features 19/26 cone for sealing ground joint vessels with finger-grip top design

Isolates the nephron and glomerulus at enlarged scale to reveal filtration anatomy including Bowman's capsule

and month on a multi-function readout for lab and classroom timing

Pack of 10 natural bark cork stoppers in Size 18 measures 38mm in length for sealing laboratory vessels and chemistry apparatus

Slotted Mass Set, 1000g, Zinc-Cast Geology sized for whole-class visibility duringCast in zinc and totaling one kilogram across nine slotted weights plus a hanger, this mass set supports physics experiments on force, torque, equilibrium, and balance calibration.