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Space War gun Kit K-10. This kit is a great educational project!

Electronic Christmas Tree K-14; Great educational project kit!

Digital Bird Kit K-19: There are all kinds of birds in this world, singing all kinds of songs. But neither you nor they have probably heard anything like this!

Yap Box Kit K-22A: Once assembled the K-22A Yap Box makes the six following exciting sounds: Laser Gun, Siren, Puppy Bark, Diesel Horn, Wolf Whistle, and Machine Gun.

Transmit your voice on any FM radio once you have assembled the K-30 FM Microphone Kit. Range is up to 100 feet. Learn about microphones, audio amplifiers and RF oscillators.

Velleman Siren Sound Generator Kit MK113: Generates 4 different sounds: police siren, fire brigade, emergency vehicle and laser gun. RV1 adjusts sound pitch. On/off switch and PCB speaker included.

Steam Engine Sound Generator w/ Whistle Kit MK-134 : The MK-13 Steam Engine Sound with Whistle generates sound of a vintage steam engine.

ELENCO SG-9200 Audio Generator Featuring Very Low Distortion Sine Wave Rapid-Rise Square Wave. Vernier Frequency Control for Easy Tuning and Switchable High-Low Output Levels.

Burglar Alarm Kit 9906 REQUIRES

9912 Siren & Code Oscillator Kit This 9912 kit produces a loud Police Siren sound and a Morse Code Oscillator.

9913 Lie Detector Kit

9918 Fish Caller Kit

SK-9924 Automatic Siren Kit: This 9924 Kit makes a real police siren sound and is loud enough to scare away any would-be wrong doer.

9978 Digital Birds Sound Generator Kit

Hidden Tormentor Kit 9988

K-006 MANUAL POLICE SIREN KIT. This realistic Police Siren kit K006

This K-008 Space War Machine Gun electronic kit gives back to the imagination. This is a great kit to use for electronic skill building, perhaps a movie production, or for model purposes. You are sure to have a good time!

Automatic Police Siren Kit K-016

Velleman K2604 Siren Kit:

Velleman Pink Noise Generator Kit K4301: