---
product_id: 441034728
title: "MELODY''S HOBBY CENTRE FIRE Alarm Physics Science Working Project with LED Running Light."
brand: "centre"
price: "1430 kr"
currency: NOK
in_stock: true
category: "Melody"S Hobby Centre"
url: https://www.desertcart.no/products/441034728-melodys-hobby-centre-fire-alarm-physics-science-working-project-led
store_origin: NO
region: Norway
---

# LED + buzzer for dual audio-visual alert 9V battery powered for portability Thermistor sensor triggers alarm on heat MELODY''S HOBBY CENTRE FIRE Alarm Physics Science Working Project with LED Running Light.

**Brand:** centre
**Price:** 1430 kr
**Availability:** ✅ In Stock

## Summary

> 🔥 Light up curiosity with every spark! 💡

## Quick Answers

- **What is this?** MELODY''S HOBBY CENTRE FIRE Alarm Physics Science Working Project with LED Running Light. by centre
- **How much does it cost?** 1430 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/441034728-melodys-hobby-centre-fire-alarm-physics-science-working-project-led)

## Best For

- centre enthusiasts

## Why This Product

- Trusted centre brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual Alert System:** Simultaneous LED light and buzzer sound for instant fire detection feedback.
- • **Safe & Kid-Approved:** Designed for ages 8-11 with smooth assembly and educational certification included.
- • **Interactive Learning:** Hands-on project that boosts creativity, critical thinking, and problem-solving skills.
- • **Screen-Free STEM Fun:** Engage your child in a tactile, off-screen activity that sparks curiosity and scientific exploration.
- • **DIY Science in Action:** Build a real fire alarm with step-by-step guidance—no extra tools needed!

## Overview

MELODY'S HOBBY CENTRE Fire Alarm Physics Science Project is a 9V battery-operated DIY kit that teaches kids aged 8-11 how a transistor-based fire alarm works using a thermistor sensor. Featuring an LED and buzzer for audio-visual alerts, it comes with an easy-to-follow manual and certificate, promoting STEM learning, creativity, and problem-solving without screen time.

## Description

A fire incident took place near fire switch activates alarm;3V (DC); Sound; Audio Oscillator. * Made it on a cardboard base with diagram drawn on it.This is a handmade complete working model supported by rough study material to make a suitable projects report by the student. It is using Cardboard/Wooden base, Paper, Electronic-Electrical Components, Mechanical & Scientific goods as per the requirement of a particular model.

## Features

- Fire alarm science project Transistor T1 working as SWITCH under Common Emitter configuration, whose output from collector is fed to the LED and Buzzer to give audio visual indication When thermistor is being heated by match stick, the internal resistance drops to a certain extent. This makes transistor to conduct and that allows the current to flow from positive to negative through LED and buzzer in parallel
- 9v battery Operated
- Includes step-by-step DIY instructional manual and certificate
- An engaging activity for your child to learn and explore the world of science
- Have Fun with hobby kit teaching aids Toys are Fun to Play with also Helps in Development of Early Age Analytical & Problem Solving Skills in Child and Helps Improving Creativity & Curiosity
- Easy to understand instruction guide, Smooth assembly, No additional tools required, Approved by Kids, Parents, teachers and Principal and appreciated by all. Off Screen game. Concept Learning
- Promotes Creativity and Problem-Solving Skills: Challenges kids to build and operate their own forklift, encouraging creativity, critical thinking, and problem-solving abilities
- Ideal for both boys and girls
- Fully Assembled & Tested.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SCL2D95 |
| Battery Description | Alkaline |
| Brand Name | MELODY"S HOBBY CENTRE |
| Customer Reviews | 3.7 3.7 out of 5 stars (50) |
| Educational Objective | Critical Thinking |
| Is Assembly Required | No |
| Item Dimensions | 78.7 x 55.9 x 2.5 centimeters |
| Item Type Name | MELODY''s HOBBY CENTRE Fire Alarm Physics Science Project - Multicolor,for-teen,adult |
| Item Weight | 190 Grams |
| Manufacturer | MELODY"S HOBBY CENTRE |
| Manufacturer Part Number | DDA-89 |
| Manufacturer recommended age | 8 - 11 years |
| Material Type | Fir |
| Number of Items | 1 |
| Number of Packs | 1 |
| Set Name | Single |
| Size | A4 |
| Theme | science |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** MELODY"S HOBBY CENTRE
- **Item dimensions L x W x H:** 78.7 x 55.9 x 2.5 centimeters
- **Item weight:** 190 Grams
- **Size:** A4
- **Theme:** science

## Images

![MELODY''S HOBBY CENTRE FIRE Alarm Physics Science Working Project with LED Running Light. - Image 1](https://m.media-amazon.com/images/I/61HsvydR8vL.jpg)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-16*