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The Pumper

SKU: W51995
$5.75 (USD)
Availability: Out of stock until 10/20/2021 (estimated).

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This device was created to keep your soda fizzy, but it is also extremely handy when building bottle rockets. Pump the bottle before marking fin placement or attaching fins. The air pressure will keep the bottle rigid, making the task much easier.


Type: Materials and Supplies/Structure and Model Materials Grades: 3-12



  • Size: Fits most 2-liter bottles.

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