I suspect i might be the winner here. My friend had an alley behind his house along with a nice strip of open land near a busy road. Eventually a strip mall was built and then another large commercial building started to go up. Being basically behind my friends house we walked over to this new building on weekend to check out the construction site.

The building was being built with cement block and had lots of scaffolding and yet-unused block scattered around. I found a pipe-bender - a very heavy tool made out of high quality steel - and found you could just tap on of these cement blocks and it would shatter to pieces. I was fascinated, as were my friends. I have no idea how many cement blocks we destroyed over the next couple of days, but it was a huge number. Then we decided to see if we could go through a wall with the pipe bender… we could indeed, making a hole in the side of the building we could walk through. Looking around we eventually realized what we’d done was awful… we had decimated this construction site. We finally slinked away and come Monday when the crew returned, police were called and neighbors interrogated but thankfully with privacy fences all around, none of the neighbors saw anything. 11 and 12 yr olds are stupid.

I also put our phone in a bucket of water. My dad asked me to hold it but I was already carrying a bucket of water so I just put it in the bucket.

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I grew up in a very unorganized town that wasn’t really regulated with traffic laws. I learned to drive a truck at about 12.

When I was 14 I was driving my dad’s truck around town. I suddenly had the urge to see how well the brakes worked. I drove fast down a gravel road than slammed on the brakes as hard as I could. Within seconds it blew both front brake lines.

Later that same year in the winter I got the truck stuck on some ice. It wasn’t bad, I just happened to stop on a very slippery patch of ice and couldn’t move forward. I got the idea that as the tires spun, they were getting hot which meant it was melting the ice. If I did it long enough I would eventually get down to the gravel. I got impatient and spun the wheels faster smoking them like crazy while the engine roared. In the middle of the noise and smoke, a tire exploded and the truck jumped and deflated. I had blown out a tire.

Dad wasn’t happy with me for a long while because the truck went to the shop and we had to pay a lot of money to get them fixed.

At the very least, I never made these mistakes again.

I set the majority of my mother’s finest dresses on fire. I was very young. We had a powercut one night so we were using candles. It came back soon after, but i was still a curious boy with a candle in my hand. I wanted to go somewhere dark again so i went inside my closet and closed the door. My mom ran out of space in her room for her dresses so she put them on my closet. Only the stuff she didn’t use often so it had the worst and the best. They were wrapped plastic and i was fascinated by how the plastic shrunk when the flame got close. But eventually I got too close and actually set it on fire. How did i react? Got out, shut the closet doors and went to watch tv. It’s a miracle i didn’t torch my whole house

My sister and I figured out that we could draw. On the windshield of our neighbours car. Using stones.

…

As a kid, I kinda had anger issues and would get frustrated easily. I broke the screen of my GBA SP by throwing it against a wall after not being able to solve a room in Mario vs. Donkey Kong. Similarly, I threw my iPod Touch on the floor after losing in a game called Bad Apples which broke the glass but the iPod itself still worked afterwards.

I really wish I still had that SP, as replacing the screen isn’t that hard. It even was a limited edition one as well…

My grandparents had a lot of antiques, some probably which they inherited. My grandfather was particular proud of his clockwork wind-up clock (which was an antique even back then). I disassembled it to find out how it worked, but couldn’t figure out how to reassemble it (and my granddad couldn’t either).

I pushed the largest TV off a window ledge at an electricals store because I wanted to watch the TV, so I put myself between the TV and the window. Obviously I’d never lifted a TV before and had no idea about their centre of balance. Because it wasn’t tied down properly the store was reprimanded and my poor mother didn’t have to fork out. I think I was around 4 or 5

Kitchen window. About 2x3 metres if I remember right.

We had a trampoline in our backyard, outside the kitchen so mum could watch us while cooking or whatever. There was a huge hill (our house was in a bit of a mountainous area), and we decided to throw some rocks down the hill and bounce them off the trampoline… but we were uncoordinated 10 year olds so we missed every time. And it was just a bunch of little stones gathering in our backyard.

Then I found one rock. Pretty big, had to lift it with two hands and shot-put it down the hill. That was the one that we finally landed on the trampoline. And it bounced right through the kitchen window.

My grandparent’s desktop computer. I didn’t break the hardware, but i set the default font size in windows 98 to some ludicrously high value. That made it so large the OS became unusable and the dialog to change it back was also unusable. Probably a quick terminal command would have fixed it within a couple seconds but I wasn’t old enough to understand that and my parents weren’t very tech-savvy.

An electric keyboard imported from outside of soviet block. I was too young and stupid to understand the power brick and conected it directly to mains. A shower of sparks tought me an important lesson about electricity and voltage.

You guys could’ve fixed that! You’d just have to open it up to reset or replace the button and hit the Degauss in the settings (assuming it had the option)!

ITT: kids with wayyyy too much time on their hands

• Latchkey kid

Jesus maybe? At church during the Christmas service. Accidentally dropped it. No clue how much it was worth, but I don’t remember breaking particularly expensive things.