ABRA has a vast inventory of alarm kits, siren kits, sound kits, sound activated kits, metal detector kits, etc. for students, teachers and hobbyists. All our kits are from well known manufacturers like Elenco, Ramsey, Velleman, CanaKit and EKI.

Alarms/Sirens/Sounds

Sort by: SKU Product Price Default Result pages: 1 2 3   See details Electret Condensor Microphone SKU: MC-1 This little microphone element is used for any FM wireless mike kits. Price: US$3.99 See details Metal Detector SKU: EKI-2004 Find the buried treasure in your backyard with this simple metal locator circuit. Price: US$7.99 See details Car Alarm Simulator SKU: VEL-MK126 LED with “realistic-appearing” flash sequence simulates active car alarm system. Price: US$8.95 See details Room Alarm Kit SKU: MX-610 Room Alarm Kit (non-soldering) •Create a simple alarm to deter trespassers •Keep your room off-limits to unwanted inva-ders (sisters or brothers) •Keep your personal space away from annoying visitors •Requires one (1) 9V batteries. Ages 10 & up. No soldering. Price: US$8.95 See details Burglar Alarm SKU: EKI-2006 This kit uses a simple SCRs trigger circuit to sound an ear piercing alarm whenever a trigger switch is interrupted Price: US$8.99 See details Siren Oscillator SKU: EKI-2012 Press the button to produce a constant tone from the speaker; great for practicing Morse Code. Price: US$8.99 See details Wake-Up Alarm SKU: EKI-2039 Starts a soft buzz when light enters into the room. Price: US$8.99 See details Siren kit SKU: SM-3 The SM-3 siren exactly duplicates the upward and downward wail of a police siren. Price: US$9.99 See details Electronic Bell Action Kit SKU: MX-510B •Build your own electricpowered Bell Kit. It’s easy, it’s fun, it’s safe! •Discover how an electric bell is constructed and how it’s made to ring. •Easy-to-read, illustrated operating manual included. •Safe, solderless, exciting, educational and fun. Requires two (2) “AA” batt... Price: US$10.49 See details Digital Bird SKU: K-19 You probably have never heard a bird sing like this before. Fun and easy to build. Speaker included. Price: US$10.99 See details Fish Caller SKU: EKI-2018 This simple kit produces a clicking sound similar to that made by a dying fish. Price: US$10.99 See details Metal Detector SKU: K-26 Find new money and old treasure with this easy and fun to build kit. Price: US$10.99 See details Whooper Alarm SKU: K-24 Can be used as a sounder or siren. Fun and easy to build. Speaker included. Price: US$10.99 See details Whooper Alarm SKU: EKI-2050 Produces a unique whooping sound when activated. Price: US$10.99 See details Siren-4-Sound Mini Siren SKU: LCK015 Provides police, fire engine and ambulance sirens,plus machine gun sounds. Price: US$11.95

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