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Build Your Own Telephone

By (author) Jim Becker, By (author) Andy Mayer, By (author) Davina Parmet

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How do phones work? How can your cousin in far-off Kauai sound like she's right next door? How is your voice carried through all those wires? You'll learn the answer to these questions and more when you build your very own telephone. This kit includes everything you need: a capacitor, a microphone, a circuit board -- even a piezo transducer. Plug your phone in and use it to invite a friend over for pizza!

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Broken Country: AMAZON'S BOOK OF THE YEAR - THE MILLION-COPY BESTSELLER

Clare Leslie Hall
Paperback / softback
320 pages
was: R 395.95
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An epic love story with the pulse of a thriller that asks: what would you risk for a second chance at first love?

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Theory & Practice

Michelle de Kretser
Hardback
192 pages
was: R 415.95
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The Correspondent

Virginia Evans
Hardback
288 pages
was: R 495.95
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Exiles: Times book of the month 'Stanley Kubrick meets MR James'

Mason Coile
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224 pages
was: R 542.95
now: R 488.95
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A terrifying locked-room mystery set in a remote outpost on Mars.

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