I thought the Baby Bertha's fins were slightly smaller. If not, you are paying over $13 more basically the same kit, but with a longer body tube!

Seems like $24.99 for the Big Bertha is just a bit high considering the simplicity, and especially compared to other bigger and/or more detailed kits.

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Lee Reep
NAR 55948

Projects: Semroc Saturn 1B, Ken Foss Designs Mini Satellite Interceptor
In the Paint Shop: Nothing! Too cold!
Launch-Ready: Farside-X, Maxi Honest John, Super Scamp