20 SWG Bare Copper Wire, 140ft Reel (0.91mm Dia) Graduations_100mL with identical volumes across specimens

with identical volumes across specimens for direct mass-density comparison

three interchangeable scales

Shatter-resistant acrylic burette with a PTFE key stopcock and Class B accuracy per DIN ISO 385

Short-form Euro-design polypropylene measuring jug with raised molded graduations

the candy-bar form letting students break each piece into smaller magnets that retain their own north and south poles

20 SWG Bare Copper Wire, 140ft Reel (0.91mm Dia) Graduations_100mL with identical volumes across specimensBare 20 SWG copper wire on a 250g reel approximating 140 feet, sized for general purpose coil winding and electromagnet construction at the workhorse gauge of the line.