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  Estes 1503 1/2A3-2T Engines - 4 Pack

  $9.60

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  Estes 1523 C11-5 Engines - 2 Pack

  $8.49

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  Estes C6-7 Engines

  $12.59

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  Estes 1504 1/2A3-4T Engines - 4 Pack

  $9.60

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  Estes 1691 E12-0 Engines - 3 Pack

  $20.39

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  Estes 1566 D12-3 Rocket Engines - 2 Pack

  $11.47

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  Estes 1567 D12-5 Rocket Engines - 2 Pack

  $12.14

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  Estes A8-3 Engines

  $10.16

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  Estes 10024 C6-5 Standard Engine - 3 Pack

  $12.59

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  Estes 10043 E16-8 Rocket Engines - 2 Pack

  $26.99

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  Estes 1616 C6-0 Engines - 3 Pack

  $11.04

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  Estes 1614 C6-5 Engines - 3 Pack

  $11.69

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  Estes 1613 C6-3 Engines - 3 Pack

  $11.69

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  Estes 1607 B6-6 Engines - 3 Pack

  $10.19

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  Estes 1606 B6-4 Engines - 3 Pack

  $10.79

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  Estes 1605 B6-2 Engines - 3 Pack

  $10.79

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  Estes 1602 B4-4 Engines - 3 Pack

  $10.79

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  Estes 1601 B4-2 Engines - 3 Pack

  $10.19

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  Estes 1599 A8-5 Engines - 3 Pack

  $10.16

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  Estes 1593 1/2A6-2 Engines - 3 Pack

  $9.60

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  Estes 1568 D12-7 Engines - 2 Pack

  $11.47

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  Estes 1524 C11-7 Engines - 2 Pack

  $8.49

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  Estes 1521 C11-0 Engines - 2 Pack

  $8.49

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  Estes 1511 A10-3T Engines - 4 Pack

  $10.16