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You can! You plant them in the dirt and they grow into oyster cracker grass. You have to collect each individual cracker by hand because farm machinery will crumble them. That's why they're so expensive.

Maybe if I buy some oyster cracker grass seed in bulk I will be able to afford it. Most of my savings are already invested in the Mars colonization mission but let me just go log into every single cryptocurrency exchange I've ever had an account on and see if I can scrape some extra change together.

Wow, this is really exciting seeing your enthusiasm over my suggestion. Maybe we could start and oysterprenuerial venture. I'll supply the seeds, you go plant them on Mars, we both get rich. Somehow. Hi.

Let me get back to you once we confirm that it's possible to make it all the way to Mars and set up a functioning colony without perishing. But yeah I like the idea.