What are /r/PaperAirplanes' favorite Products & Services?

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I wanted to make a paper airplane book for kids so I did. My favorite plane I made up was one I call the Great Horned Owl. It looks like it shouldn't fly very well but just glides through the air like butter. So fun!

https://www.amazon.com/dp/B09RV25HBD

I'm pretty confident that it came from How to Make Origami Airplanes that Fly (Amazon) I had it growing up, and it looks familiar.