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EKI 2045 FM Microphone Transmitter Kit
EKI 2045 FM Microphone Transmitter Kit
US$23.79

With this kit you can build your own transmitter that can be heard on any FM radio with a range of 40ft. Includes a miniature condenser microphone. 9V battery not included. 

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MK113 Velleman Siren Sound Generator Kit
MK113 Velleman Siren Sound Generator Kit, WSAH113
US$19.53

This kit generates 4 different sounds: police siren, fire brigade, emergency vehicle and laser gun. RV1 adjusts sound pitch. On/off switch and PCB speaker included.

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Velleman MK108 Water Sensor Alarm Kit
Velleman MK108 Water Sensor Alarm Kit, WSAA108
US$9.05

This kit gives an alarm sound when water is detected. Incorporated alarm buzzer. Water sensor can be placed at a distance by cutting the board and using wires to connect the sensor.

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Velleman K2543 Electronic Transistor Ignition Kit
Velleman K2543 Electronic Transistor Ignition Kit, WSAA2543
US$34.99

This kit gives your car the feel of an expensive luxury car. Better starting and smoother running, particularly at very high and very low RPM. Lower fuel consumption, less pollution, lower servicing costs. Drive economically, drive electronically. Only for petrol/gasoline engines. Only for cars with negative ground.

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Velleman MK126 Car Alarm Simulator Kit
Velleman MK126 Car Alarm Simulator Kit
US$13.23

This Car Alarm Simulator Kit gives you a realistic looking flashing LED sequence that simulates the appearance of an active car alarm system.

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K-26 Elenco Metal Detector Kit
K-26 Elenco Metal Detector Kit
US$12.57

The Metal Detector is basically an oscillator that transmits in the AM radio band. When a radio is placed near the oscillator; it will emit an audible tone when metal is present.

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K-19 Elenco Digital Bird Kit
K-19 Elenco Digital Bird Kit
US$12.57

There are all kinds of birds in this world; singing all kinds of songs. But neither you nor they probably have heard anything quite like this! Speaker included. 9 Volt battery, not included.

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EKI 2018 Fish Caller Kit
EKI 2018 Fish Caller Kit
US$25.13

This kit produces a clicking sound similar to that made by a dying fish. Put the completed kit in a watertight container and suspend from the boat or dock into the water. Hungry fish come to investigate. 1.5V battery and connector not included.

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