{"product_id":"diy-stem-children-learning-educational-science-equipment-toy-infrared-alarm","title":"DIY Laser Alarm System – Educational Science Kit for Kids","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003e DIY Laser Alarm System – Mega Science Kit for Hands-On STEM Learning \u003c\/span\u003e\u003c\/h2\u003e\n\u003cstrong\u003eThe DIY Infrared Alarm Kit\u003c\/strong\u003e – Educational Science Kit for Kids is a hands-on STEM project designed for class 8 learners who enjoy building real-world electronics. As a practical \u003cstrong\u003emega science kit\u003c\/strong\u003e, it introduces students to laser-based security systems while encouraging exploration similar to a \u003cstrong\u003esmartivity science kit\u003c\/strong\u003e. Using a laser transmitter and a light-sensitive receiver, students create a working alarm system that fits perfectly into school projects, exhibitions, and interactive home learning.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eMaterials and User Manual\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eLaser Transmitter – Emits laser beam.\u003c\/li\u003e\n\u003cli\u003eInfrared Receiver \/ Alarm Module (with buzzer and sensitivity potentiometer)\u003c\/li\u003e\n\u003cli\u003ePhotosensitive Resistor (LDR) (mounted on the receiver module)\u003c\/li\u003e\n\u003cli\u003eBattery Holder – Powers the system.\u003c\/li\u003e\n\u003cli\u003eWires and Connectors – For circuit connections.\u003c\/li\u003e\n\u003cli\u003eBuzzer (on receiver PCB)\u003c\/li\u003e\n\u003cli\u003eIndicator LED (on receiver PCB)\u003c\/li\u003e\n\u003cli\u003eBase Plates × 2 (Laser Base and Receiver Base)\u003c\/li\u003e\n\u003cli\u003eVertical Support Plates × 2\u003c\/li\u003e\n\u003cli\u003eCross Support Plates \/ Connecting Brackets (Multiple Pieces)\u003c\/li\u003e\n\u003cli\u003eLaser Mount Plate\u003c\/li\u003e\n\u003cli\u003eReceiver Mount Plate\u003c\/li\u003e\n\u003cli\u003e4mm Coarse Screws (Multiple Pieces)\u003c\/li\u003e\n\u003cli\u003eCable Ties × 1–2 (For Wire Management)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eUser Manual:\u003c\/strong\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eAll the design details are elaborated in documents with this.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eWorking Principle\u003c\/span\u003e\u003c\/h2\u003e\nThe DIY Infrared Alarm Kit demonstrates light transmission and detection using basic electronics. A steady laser beam keeps the circuit inactive; however, when the beam is interrupted, the receiver stops sensing light and instantly triggers the alarm. This clear cause-and-effect mechanism makes the project an effective \u003cstrong\u003emega science kit\u003c\/strong\u003e for understanding sensors, circuits, and laser applications in security systems.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eAdvantages of This Science Project\u003c\/span\u003e\u003c\/h2\u003e\n\u003cstrong\u003eQuality Time Together:\u003c\/strong\u003e Build the system step by step and enjoy collaborative learning through a structured \u003cstrong\u003emega science kit\u003c\/strong\u003e experience.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eLearning Wrapped in Fun:\u003c\/strong\u003e The project turns electronics into an exciting challenge, offering learning depth comparable to a \u003cstrong\u003esmartivity science kit\u003c\/strong\u003e while remaining practical for school use.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eConfidence and Achievement:\u003c\/strong\u003e Completing the working alarm strengthens logical thinking, experimentation skills, and technical confidence.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures of This Science Project\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eEncourages hands-on experimentation using a structured \u003cstrong\u003emega science kit\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eEasy assembly supports independent learning.\u003c\/li\u003e\n\u003cli\u003eImproves understanding of light sensors and electronics.\u003c\/li\u003e\n\u003cli\u003eSparks curiosity similar to project-based \u003cstrong\u003esmartivity science kit\u003c\/strong\u003e learning.\u003c\/li\u003e\n\u003cli\u003eAligned with international STEM education practices.\u003c\/li\u003e\n\u003cli\u003eUses safe, eco-friendly materials.\u003c\/li\u003e\n\u003cli\u003eIncludes detailed paper instructions with explanations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eDimensions (cm) L x W x H : 20 x 14 x 1.6\u003c\/li\u003e\n\u003cli\u003eWeight (g): 120\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 x DIY Infrared Alarm Kit – Educational Science Kit for Kids\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"DO IT YOURSELF","offer_id":40942303641781,"sku":"LGPW057","price":449.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/diy-laser-alarm-system-kit.png?v=1768375328","url":"https:\/\/kitsguru.com\/es\/products\/diy-stem-children-learning-educational-science-equipment-toy-infrared-alarm","provider":"KitsGuru","version":"1.0","type":"link"}