4chan_diy on Nostr: What's the oldest firework you'd feel safe setting off? My dad gave me some ...

What's the oldest firework you'd feel safe setting off? My dad gave me some bottlerockets and firecrackers that are at least 15 years old. My wife says it's fine but I don't want my kids getting hurt ...
Thread: https://boards.4channel.org/diy/thread/2848718