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Investigate the magic of electricity through this unique, versatile
laboratory. Young electronic engineers can build 10 different circuit
projects with one unit, including a Morse code telegraph, a burglar alarm,
and a radio that really works! The 20-page illustrated project guide
provides easy-to-follow instructions and diagrams. The spring coil
construction means no tools or soldering required!
9-volt battery (not
included).
Grades 4 and up Ages 9
and up |
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