Fun & Practical Kits

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Logic Probe

Hand hold digital Logic Probe provides convenient and precise
  use in the measurement of logic circuits. It displays logic levels, 
pulses and voltage transients down to 50 nanoseconds. High 
intensity LED readouts provide instant response to the logic state.
Discriminated between DTL-TTL/CMOS.

K-27A.......... $15.95


Resistor Substitution Box

Contains 24 different value resistors from 10 ohms to 1 meg.

K-37 ............ $14.95


Capacitor Substitution Box

Contains 12 different value capacitors
from 100pfd to .1 MFD

K-38 ............ $14.95


Digital Roulette

Sure winner with you, your friends. 32 LEDs are arranged 
in a 5-inch circle.

K-25........................$16.95


FM MIC

Transmit your voice on any FM radio. Range up to 
1000 ft. Includes case.

K-30........................$11.95


Telephone Bug

Size of a dime yet transmits both sides of a telephone
 conversation to any FM radio.
No battery needed.

K-35........................$7.95


0-15V Power Supply

A low-cost way to supply voltage to electronic devices.

K-11 ............ $13.95


Hidden Tormentor

Your friends will go crazy trying to find it. Speaker included.

K-16 .............. $7.95


Metal Detector

Find new money and old treasures. Get started in the
 fascinating hobby of metal detecting.

K-26 .............. $7.95


 
Sound Activated Switch

Clap and the light comes on, clap again and off it goes.

K-36 .............. $9.95


Yap Box

Makes 6 exciting sounds; laser gun siren puppy bark 
diesel horn wolf whistle machine gun Case included.

K-22A.......... $10.80


Space War Gun

Rapid fire or single shot with 2 flashing LED’s. 
Speaker included.

K-10 .............. $7.95


 
LED Robot Blinker

You’ll have fun displaying the PC board robot.
Learn about free running oscilliators.

K-17 .............. $7.95


Burglar Alarm

Alarm control for your car, house, room or closet.
Buzzer included.

K-23 .............. $7.95


Pocket Dice

To be used with any game of chance.

K-28 ............ $11.95


Solder Practice Kit

Learn solder techniques and build this flashing European type siren.

K-33 .............. $7.95



 
Telephone Hold Button

Put all incoming and outgoing calls on hold
at the press of a button.

K-18 .............. $7.95


Christmas Tree

Educational kit complete with PC Board and detailed instruction book.
Produces flashing colored LED's and three
popular Christmas melodies. Use it as a Christmas ornament.

K-14 ............ $12.95


Digital Bird

You probably have never heard a bird sing
like this before. Speaker included.

K-19 .............. $7.95


Whooper Alarm

Can be used as a sounder or siren.

K-24 .............. $7.95


TV/FM Oscillator

Learn about oscillators and FM transmitters. Use as FM transmitter.

K-29 .............. $7.95


Nerve Tester

Test your ability to remain calm. One circuit will indicate 
failure by turning on an LED, the other by giving forth a mild shock.

K-20........................$8.95