|Explore electronics topics using this self-contained
Includes everything you need to build a time buzzer, burglar alarm,
photo-level alarm, electronic coin toss, motion LED, electronic organ, first-aid siren,
pulse width modulation, sound level meter, four-level photometer, and much more!
easy-to-read, illustrated, lab-style manual includes 75 experiments that guide you
step-by-step while teaching basic principles of electricity, electronics, physics and
No soldering required.
Requires four AA batteries
Recommended for ages 10 and up.
75-in-1 Electronic Project Lab