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>It's a little risky.

Everything in life involves risks. And there are cultural differences in attitude to risk. But some of these risks are quite unnecessary.

Also, I would consider making your own fuel (without sufficient expertise), as more than 'a little risky'. Especially if they move on to bigger rockets.



> making your own fuel (without sufficient expertise), as more than 'a little risky'

It seems like just the classic smoke bomb recipe with KNO3 and sugar. I would be comfortable preparing this even indoors, let alone outside.


My friends and I made far riskier stuff as teens based on our high school chemistry knowledge. It was fun but in retrospect not particularly safe.




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