DIY Laser Alarm System – Educational Science Kit for Kids
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020
Great

DIY Laser Alarm System – Educational Science Kit for Kids

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  • Product SKU: LGPW057
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Specification

Description

DIY Infrared Alarm Kit – Fun Science Experiments for Class 8

The DIY Infrared Alarm Kit – Educational Science Kit for Kids is a hands-on STEM project ideal for science experiments for class 8. It allows students to explore how infrared and light sensors work in real-world security systems. Using a laser transmitter and a light-sensitive receiver, kids can build a working infrared alarm. When the laser beam is interrupted, the circuit triggers an audible alarm—demonstrating a practical application of light detection and basic electronics. Whether for school exhibitions or home learning, this infrared alarm kit makes science engaging and interactive.

Materials and User Manual

  • Laser Transmitter – Emits laser beam.
  • Light-Sensitive Receiver – Detects laser beam.
  • Alarm Module – Produces sound when triggered.
  • Circuit Board – Holds components.
  • Battery Holder – Powers the system.
  • Wires and Connectors – For circuit connections.
  • Resistors and Capacitors – Regulate current.
  • Mounting Base/Stand – Aligns laser and receiver.
  • User Manual: All the design details are elaborated in documents with this.

Working Principle

The DIY Infrared Alarm Kit demonstrates the principle of light transmission and detection. The laser transmitter directs a beam at a light-sensitive receiver. When the beam is steady, the circuit remains off. But as soon as the beam is blocked, the receiver stops detecting light—instantly activating the alarm. This clever mechanism introduces students to electronic circuits and laser-based sensors, making it one of the most effective science experiments for class 8 students.

Advantages of This Science Project

Quality Time Together: Enjoy building the infrared alarm kit with your child and experience the joy of learning through discovery.

Learning Wrapped in Fun: This project turns STEM concepts into an exciting challenge, making it perfect for birthdays, school projects, or holiday gifts.

Confidence and Achievement: As kids complete the project, their sense of achievement grows—boosting problem-solving skills and technical confidence.

Features of This Science Project

  • Encourages practical skills and critical thinking.
  • Easy to assemble, fostering a sense of accomplishment.
  • Improves children’s understanding of light and sensors.
  • Sparks curiosity and hands-on learning in science.
  • Aligned with international STEM teaching methods.
  • Uses safe, eco-friendly materials for child safety.
  • Includes detailed paper instructions with scientific explanations.

Physical Attributes

  • Dimensions (cm) L x W x H : 20 x 14 x 1.6
  • Weight (g): 120

Package Includes

  • 1 x DIY Infrared Alarm Kit – Educational Science Kit for Kids

Customer Reviews

Based on 5 reviews
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60%
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S
Sonalal
Great STEM toy

Great STEM toy, highly recommend for kids

E
E.PRABHAKAR RAO
favorite birthday gift.

My 6 year old twin boys love this! One of their favorite birthday gift.

B
Bairu Vijay
Fun Kit

Highly Recommend!!! So much fun & learning!

K
Kirauddin Ansari
Great value, with quality components

There are some good explanations in the instructions so that you can understand what you are experimenting with which helps with re-usability.

L
Linear Automation
Super Star

I am not taking a star away for that as this is a really good value and keeps children's interest for extended periods of time. In the future I look forward to buying more kits.