Few people have heard of it, yet John Blankenbaker's KENBAK-1 was the first commercially available personal computer.
Dangerous Electronics For Boys
By James Grahame
This cleverly packaged electronics kit comes from the same brilliant daydreamers who brought you The Dangerous Book For Boys. A 32-page full-color manual guides intrepid young researchers through 30 sizzling hands-on experiments.
Build an electromagnet, electric motor, voltaic pile, joy buzzer and even a vibrating bug. For ages 8 and up, contains small parts that could spark a lifelong fascination.
The Dangerous Book for Boys Essential Electronics [via the Maker Shed, but $8 less on Amazon]
