According to huffpost.com, traveling around the world is a very important thing that everyone should do. There are many reasons why this is true, including the fact that this is a great way for people to learn about what life is like in other areas of the world.

Since traveling is such an important thing to do, that means packing the right things is also a pretty big deal. There are lots of things that travelers tend to bring with them, many of which are necessities.

But sometimes they also try to bring some unexpected items, even when they’re boarding an airplane. Here are some of the weirdest things that some people have been caught trying to bring on an airplane in their carry-on bags.

20 One Person Caused A Scene Over Something That Wasn’t A Big Deal

According to toptenz.net, one person’s harmless science project caused a bit of a stir at an airport when they tried to bring it with them in their carry-on bag. It even caused the airport to be shut down for a few hours, which must have been stressful for this person.

19 Someone Brought Some Fireworks With Them

Fireworks are not usually allowed on airplanes, but some people try to bring them on anyway. According to toptenz.net, there was once a person who brought their own homemade fireworks with them in their carry-on bag. This ended with the person being arrested since this is a very serious thing.

18 One Traveler Thought Swords Were Okay To Bring

According to toptenz.net, one person was not aware of the fact that swords are not something people can bring with them in their carry-on bags. Since they didn’t know about that rule, they tried to bring swords with them. Bringing things like that on airplanes is never a good idea.

17 Someone Brought A Very Dangerous Object, But It Looked Innocent At First

Combs tend to look very innocent, but some of them are much more dangerous than they appear to be. According to toptenz.net, there was at least one person who brought a comb in their carry-on bag, only for it to turn out to be a knife, which is never good.

16 One Passenger Hid Something Interesting In A Pair Of Jeans Before Placing Them In His Carry-On Bag

Jeans are usually pretty safe, and they wouldn’t normally bring on much suspicion. However, one person hid something in their jeans, according to toptenz.net. They wrapped razor blades in them before placing them in their carry-on bag, which was probably not a very good idea. The razor blades were taken.

15 A Potentially Dangerous Thing Was Found In A Carry-On Bag At Southwest International Florida Airport

According to networkworld.com, someone thought it would be a good idea to bring a meat slicer in their carry-on bag. Those are only meant to prepare food, so there is no telling what someone wanted to do with it on an airplane. Perhaps they wanted to make a tasty sandwich.

14 A Farming Tool Was Once Discovered In One Of These Bags

According to networkworld.com, someone tried to bring a sickle onto an airplane with them by putting in their carry-on bag. For those who don’t know, sickles are actually a tool that people use when they are farming. They are very sharp, and they can be dangerous if not used correctly.

13 Lots Of People Have Tried To Put One Very Questionable Thing In Their Carry-Ons

Grenades aren’t something that anyone should bring onto an airplane. But according to networkworld.com, many of them have actually tried to do that. This is something that usually does not end well for the person who attempted to do it. This is something travelers need to avoid at all costs.

12 Road Flares Are Not Allowed On Planes, But That Didn’t Stop Some People From Packing Them

One might not think that there are many people who try to bring road flares with them on airplanes, but there are some people who have attempted to do it. According to networkworld.com, a couple of people have been caught doing this, despite them not being allowed in carry-on bags.

11 A Few People Tried To Bring Bear Deterrent With Them

There are cases in which people can bring bear deterrent with them in checked bags. But according to networkworld.com, it can’t be inside of a plane, yet lots of people have tried to bring it with them. These people need to research airlines and what they do and don’t allow.

10 TSA Found Something Interesting In One Guys’ Bag, But They Let Him Take It To His Car

According to networkworld.com, one man was caught with a knife in his carry-on bag. TSA agents were nice and allowed him to take it to his car, but he tried to get it past them again by taping it to one of his other belongings, which wasn’t a good idea.

9 One Passenger Hid Some Things In A Lego Box

Lego boxes can be really convenient. According to networkworld.com, one person tried to hide some really dangerous things in one of those, and it didn’t work out for them, since they were caught. Things like that are not allowed in carry-on bags, so putting them there isn’t a good idea.

8 A Couple Of People Have Tried To Use Their Carry-On Bags To Bring Propane With Them

It seems that it is common knowledge that people are not allowed to bring propane in their carry-on bags, but that doesn’t mean some people have not tried to do it. According to networkworld.com, there are actually a couple of people who have tried to od this, which is strange.

7 Someone Once Tried To Bring An Airbag On Their Trip

An airbag is an unusual thing for a person to bring on an airplane. According to networkworld.com, someone had one of those in their carry-on bag. Airbags aren’t something that passengers are allowed to bring since they are considered to be hazardous. Don’t try to bring airbags onto a plane.

6 There Are Some People Who Bring Espresso Machines

According to reddit.com, there has been at least one occasion when someone decided that they wanted to bring their espresso machine with them in their carry-on bag. That is rather unusual, but it is easy to see why someone would want to do something like that. Some people love coffee.

5 Someone Brought Their Waffle Iron In Their Carry-On

According to reddit.com, the same person who took their espresso machine with them in a carry-on bag also brought something else that is a bit strange on a different trip. They had a waffle iron that they had just received as a gift, and they put it in their carry-on.

4 One Person Had An Umbrella That Was Shaped Like Something Else

Umbrellas are fine, but sometimes they can look like something that is much less innocent. According to washingtonexaminer.com, this was something that caused a bit of an issue when a person attempted to bring it along with them on their trip. Sometimes innocent things can look like something completely different.

3 At Least One Person Has Attempted To Board A Plane With A Huge Pair Of Scissors

According to travelpulse.com, one of the strangest things that was recently found in someone’s carry-on bag was a huge pair of scissors. They were not a toy, they were actually sharp like real scissors are, which makes them a bit dangerous. Things like that do not belong on carry-on bags.

2 Vaping Devices Are Fine Unless They Look Like Something More Dangerous

Vaping equipment is not a very big deal, but that is different when it looks like something else entirely. According to popularmechanics.com, vaping equipment caught lots of attention because it looked like a grenade, which no one can have on carry-ons. Those who vape need to keep this in mind.

1 Someone Was Arrested For Bringing Something In An Attempt To Start An Avalanche

According to thedailymeal.com, one person wanted to start an avalanche. So, they carried a device with them that would allow them to do that. This was not a good idea, and the person in question got arrested for it. This event took place at Anchorage International Airport, which is in Alaska.

References: Huffpost, Reddit