Physics & Physical Science

Circuit Components

Circuit Components

Circuit Components for Classroom Electricity & Physics Labs

Sci-Supply’s Circuit Components category features essential classroom-ready parts used to build, test, and analyze electrical circuits in physics and physical science instruction. These components allow students to construct real working circuits while developing a clear understanding of how electricity flows and behaves.

Designed specifically for educational environments, these components emphasize reliability, durability, and ease of use for repeated classroom and lab activities.


Built for Classroom Use

Circuit components must be consistent, durable, and easy to connect to support hands-on learning. Educators rely on these components to support:

  • Introductory electricity and circuit lessons

  • Series and parallel circuit construction

  • Energy transfer and power demonstrations

  • Troubleshooting and inquiry-based experiments

  • STEM and engineering activities

Each component is selected to reduce frustration from loose connections and inconsistent results.


What You’ll Find in This Category

Sci-Supply’s Circuit Components collection may include:

  • Bulb holders and lamps

  • Connectors and terminals

  • Switches and control components

  • Wiring and circuit connectors

  • Classroom-safe resistive and conductive components

These components integrate seamlessly with batteries, battery holders, power supplies, meters, and motors used in classroom circuits.


Ideal for:

  • Student-built circuits

  • Classroom electricity kits

  • Lab stations and demonstrations

  • Replacement and replenishment of kit components

  • STEM and makerspace programs

Standardized components ensure consistent results across students and classes.


Designed for Institutional Purchasing

Sci-Supply makes sourcing circuit components simple and dependable:

Purchase Orders accepted
Bulk and classroom-quantity options available
Consistent products for easy reordering
Fast, reliable fulfillment from the USA

Need help selecting the right components for your curriculum or existing kits? Our team is ready to assist.


Trusted by Educators Since 2004

For over 20 years, Sci-Supply has supported science educators with dependable, classroom-ready components. When electricity lessons depend on reliable circuits, educators trust Sci-Supply.


Build Classroom Circuits with Confidence

Browse our Circuit Components below to find classroom-ready parts designed for hands-on learning, repeated use, and long-term value.

Questions about compatibility, quantities, or institutional pricing?
Contact us — we’re happy to help.