reddit.comPosted Apr 4, 2021, 7:11 PM UTC
This looks a lot like the fireworks sets you can buy; except those aren't cement. If it's homemade, be very careful OP. You never know how dangerous homemade explosives can be.
Looks like a home made firework.
Fireworks box, the little green pegs are rockets
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WITT Cement block with 25 green cylinders. Cylinders are plastic. Tips are metal. Appears to have fuse in one corner of block. Cylinder that fell out is empty/hollow. Bottom of the block is solid. Found in the back yard of a Denver, CO suburb.
Reverse image search doesn't show anything. Also searched by description - cement block with green cylinders.
I suspect it's home made fireworks, but can't confirm.
It looks like it was fireworks.
Low grade stuff, like bottle rockets.
Or sparkler fountains.
assuming that you have a DIY explosive device, I do not recommend that you assume that the maker was following a formula that you are familiar with. Just because it resembles something that others believe to be harmless does not mean that it is harmless. The UnaBomber disguised his devices to conceal their purpose.
I just realized that I have quoted a vintage example.
Just be careful with unfamiliar explosives. Call the fire department.
Fireworks cake
Saturn Missiles - fireworks
https://www.google.com/search?q=saturn+missile+fireworks&client=firefox-b-1-d&sxsrf=ALeKk00QGJmdIhSPI0ZkHqB6MKAjFCEBFg:1617563965675&source=lnms&tbm=isch&sa=X&ved=2ahUKEwj28Mysp-XvAhWBhJ4KHdl6CMoQ_AUoA3oECAEQBQ&biw=1920&bih=906
Solved. I looked for green fireworks cylinders. It’s the cement block that had me confused. Thank you!
are they solid inside? We see so many things that look like those and are labelled as fertilizer sticks.
They look like hollow straws with a crayon tip. So they can whistle in the air and pop at the end.