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  1. Free fall apparatus, mechanical release Sale
    Rating:
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  2. Tubular spring balance, premium Sale
    Rating:
    0%
    Tubular spring balance, premium

    Starting at $17.60 $16.00

  3. Push/pull balance Sale
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    0%
    Push/pull balance

    Starting at $15.40 $14.00

  4. Pop Up A Rocket Sale
    Rating:
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    Pop Up A Rocket

    Starting at $9.90 $9.00

  5. Recoil apparatus Sale
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    Recoil apparatus

    Starting at $41.80 $38.00

  6. Newton's Fan Sale
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    Newton's Fan

    Starting at $11.00 $10.00

  7. Spring balance, flat Sale
    Rating:
    0%
    Spring balance, flat

    Starting at $6.60 $6.00

  8. Spring balance, tubular Sale
    Rating:
    0%
    Spring balance, tubular

    Starting at $12.10 $11.00

  9. Scale pan Sale
    Rating:
    0%
    Scale pan

    Starting at $11.00 $10.00

  10. Hooke's Law Springs Sale
    Rating:
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    Hooke's Law Springs

    Starting at $23.10 $21.00

  11. Helical steel springs Sale
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    0%
    Helical steel springs

    Starting at $5.72 $5.20

  12. Free fall apparatus, solenoid release Sale
    Rating:
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    Free fall apparatus, solenoid release

    Starting at $297.00 $270.00

  13. Rokit, air & water propelled rocket Sale
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    Rokit, air & water propelled rocket

    Starting at $17.60 $16.00

  14. Balls, steel, 1 size, set/60 Sale
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    Balls, steel, 1 size, set/60

    Starting at $36.74 $33.40

  15.  Sale
    Rating:
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    Switch Ball
    $6.60 $6.00
  16.  Sale
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  17.  Sale
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    0%
  18.  Sale
    Rating:
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    Firefly
    $6.60 $6.00
  19.  Sale
    Rating:
    0%
    Pull Back Car
    $5.50 $5.00
  20.  Sale
    Rating:
    0%
  21.  Sale
    Rating:
    0%
  22.  Sale
    Rating:
    0%
  23.  Sale
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