Reed Relay Demonstration Board Science at Home_General Science Supplies and assorted metal samples for

and assorted metal samples for structured lessons

Millimeter-graphed 100 x 75mm screen on a 2

Built for wing-spreading during insect mounting

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

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 and assorted metal samples forDemonstrates 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.