All The Bells And Whistles
ELECTRONIC PLAYGROUND KIT 130 PROJECTS
Bells, whistles, sirens, rain and metal detectors, amps, timers! Instructions on how to build the circuits for a burglar alarm, light dimmer, tone-mixing amplifier, logic tester and a whole bunch more. The Elenco® Electronic Playground 130 & Learning Center" by Elenco® has 130 projects using a control center with a built-in breadboard with contact springs. The perfect intro to electronics for ages 12 and way up, it includes a 164-page instruction book and all the parts you need except (6) "AA" batteries. No experience necessary. Build these exciting kits also! Electronic siren, LED strobe light, light dimmer, sound amp, winking LEDs, sound machine, pencil lead organ, tone mixing amp, burglar alarm, first-aid siren, voice-activated LED, logic tester, sound alarm circuit, voice level meter, delayed timer, AM Radio station, crystal radio, metal detector, water level alarm and many more!