Description

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-pageillustrated 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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