Project 25 - Magnet Water Pump "K-12 JUNO STEM KIT"

What You Can Build Using K-12 JUNO STEM KIT

In the "Magnet Water Pump" project from the K-12 JUNO STEM Kit, children assemble a simple and clever water pump circuit controlled by a reed switch. When a magnet is brought near the reed switch, the switch closes—completing the circuit and powering the DC water pump. Move the magnet away, and the pump turns off. This project demonstrates contactless control using magnetism and shows how reed switches can make creative automation possible.

What You Can Learn

• Reed Switch Principles: Kids discover how reed switches respond to magnetic fields, acting as reliable "contactless" switches in electronic circuits.

• Magnetic Control: Learners see how a magnet’s proximity can activate or deactivate devices—ideal for safe, remote activation in wet or moving environments.

• Basic Circuitry: Students practice wiring the pump, power source, reed switch, and learn about switching and safety in electrical systems.

• Automation Concepts: By toggling the pump with a magnet, children understand the foundation for sensor-based and automated device control.

Real Life Problem Solving

• Troubleshooting: Learners test magnet position, reed switch placement, and connections if the pump doesn’t operate as expected—building diagnostic thinking.

• Device Understanding: This project mimics real-world use cases, such as float-based water tank switches, contactless level sensors, or safety shutoff mechanisms.

• Design Thinking: Students can experiment with different magnets, switch placements, or integrate the pump into advanced setups like water dispensers or tank fillers.

Additional Benefits

• Creativity: Children personalize their projects—designing themed water fountains, games, or automated systems activated by magnets.

• Collaboration: The project encourages teamwork in testing, placement, and circuit assembly.

• Confidence: Building a working contactless pump with a reed switch empowers learners and creates excitement around sensor engineering.

• Foundation for Future Learning: This project leads into more complex sensor actuation, microcontroller integration, and STEM automation concepts.

Why Magnet Water Pump Matters

The Magnet Water Pump project turns invisible magnetic fields into real, practical action. By controlling a pump without direct touch, kids discover new ways electronics solve problems in households, industry, and science. Every splash reinforces vital concepts in sensing, automation, and creativity.

With Project 25: Magnet Water Pump, every child gets the chance to unlock hands-free control and explore the magic of magnets in automation!