Wooden Frame Abacus, 3 U-Shaped Steel Wires Subcategory_Wash Bottles this two-wire potentiometer mounts on

this two-wire potentiometer mounts on a metal base for stability during extended laboratory measurements

Decade capacitance box stepping 10nF to 100nF in 10nF increments at plus-or-minus 5% on 63V

sized for finer-gauge resistance demonstrations and small-scale heating elements where the heavier gauges would over-deliver current

Beaker-themed beer pong set includes 12 polypropylene 500mL beakers and 2 pong balls for chemistry-themed party gameplay

Wooden Frame Abacus, 3 U-Shaped Steel Wires Subcategory_Wash Bottles this two-wire potentiometer mounts onWooden frame abacus with three U shaped steel wires carrying 20 plastic beads each on a 13 by 6 inch base, the smallest three wire option for very early counting and number sense work.