★★★★★ 5
Great price
Both filters fit and worked and had a great price.
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Reviewed in the United States on March 15, 2026
Estes Boosted Bertha Skill Intermediate
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Estes Boosted Bertha Skill IntermediateA sport rocket at its core, the second booster of this multistage flying model rocket will push this Bertha skyward, reaching twice the height of Big Bertha. The Boosted Bertha will reach altitudes of up to1000 feet when powered with an Estes C6 0 engine in the booster stage and an Estes C6 5 engine in the main rocket. After the first stage ignites, the booster jettisons and gently tumbles back to earth. Once the rocket reaches apogee, the rocket will
Quick Dispatch:
Your Estes Boosted Bertha Skill Intermediate orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your Estes Boosted Bertha Skill Intermediate ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Based on 1251 reviews
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Product Reviews
★★★★★ 5
Better then oem
Great product quality is definitely a plus had no issues. Been buying these for 3 years.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Quality filters
Perfect fit, no issues with the installation of these filters.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Prompness
Great job
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Reviewed in the United States on March 23, 2026
★★★★★ 4
FEUL FILTER ISSUE
FEUL FILTER A PIT TIGHT TO INSTALLE
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Reviewed in the United States on September 18, 2023
