• Perfect for group experiments, and home school.
• Comes in a reusable plastic snap lid box for storage.
• Includes: (1) D cell battery holder, 1 contact key, 2 light bulbs, 5 alligator connector cords, 1 buzzer and exploration guide

Discover how people communicated long distances before the telephone! With our Telegraph Kit you can experience a little bit of history, learn Morse Code and even send a secret message to a friend. Kit includes: D cell battery holder, contact key, light bulbs, alligator connector cords, buzzer and exploration guide. Ages: 7+. Battery not Included.