1000mm Black 4mm Double-Sided Connecting Lead Item Type_Density Cubes & Cylinders Plastic-cased solar energy kit with

Plastic-cased solar energy kit with a panel

rated autoclavable and chemically durable to 135 °C

Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed

configurable across many ratios for transformer-action demonstrations

Tangent-galvanometer instrument that derives current absolutely from compass-needle deflection against Earth's horizontal field

1000mm Black 4mm Double-Sided Connecting Lead Item Type_Density Cubes & Cylinders Plastic-cased solar energy kit withOne meter black insulated lead with 4mm banana plugs and 16mm metal terminal tips at each end, sized for the longest cross bench reach in plug to plug patch wiring.