5 results Refine Results
  1. 1
    by Walker, Ormiston H.
    Published 1993
    Book
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    100 mini scientific experiments /
  2. 2
    by Ward, Alan, 1932-
    Published 2000
    Book
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    Brainbox science /
  3. 3
    by Walker, Ormiston H.
    Published 1994
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    Science construction projects : 50 working models.
  4. 4
    by Walker, Ormiston H.
    Published 1994
    Book
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    Science construction projects : 50 working models.
  5. 5
    by Pedder, Ron
    Published 1992
    Book
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    Senior science puzzles : puzzle masters /

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