Reed Relay Demonstration Board Science at Home_General Science Supplies securing a thermometer to any

securing a thermometer to any support rod at the angle needed for hands-free temperature monitoring during an experiment

Millimeter-graphed 100 x 75mm screen on a 2

with masses between 50 and 400g for 5N spring-scale suspension work

75-inch full-class units

Six-piece polypropylene beaker set spans 50mL to 2000mL for complete classroom and lab volumetric workflows without glass breakage risk

Reed Relay Demonstration Board Science at Home_General Science Supplies securing a thermometer to anyDemonstrates electromagnetic switching on a base with 4mm plug connections, where current through a coil closes a separate contact and shows how a small signal controls a larger circuit.