ElectroLight - DIY Water Powered Diya STEM Kit

Overview

A festive STEM kit that lights an LED diya using a simple saltwater battery — combining a Diwali tradition with a real, hands-on lesson in conductivity and electrolysis.

Age Fit

Best for ages 11–14

What's in the Box

• 2 glass bowls — the diya base
• Copper tape — the circuit pathway
• LEDs
• Button-cell batteries

What Your Child Will Learn

• How conductivity and electrolysis actually work, using salt water
• Building a real circuit that generates its own light
• Where science meets festive tradition

Video Tutorials

Safety Note

Adult supervision required when handling water and any electrical components together. Do not consume any part of the kit; keep button-cell batteries away from young children.

FAQ

Does the water need anything added to it? Yes — a small amount of salt dissolved in the water is what makes the circuit conductive.

Is this safe to build indoors? Yes, with normal care around water and electronics — adult supervision is recommended throughout.