Recommended for kids! A collection of challenging riddles. Difficult questions that make you think.
“Huh! That was the answer?” Ready to try some brain-teasing riddles that might make you blurt that out? If your child finds ordinary riddles too easy, the ones introduced here will have them firing on all cylinders and having fun! In this article, we’ve gathered challenging riddles that really test flexible thinking and imagination—perfect for kids to tackle.
There are plenty that kids can solve smoothly while adults end up going “hmm…” But if you think them through together as a family, you’re sure to find new discoveries and spark fun conversations.
Come on—let’s dive together into the world of riddles that stimulate intellectual curiosity!
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Recommended for kids! A collection of hard riddles. Challenging brain teasers (31–40)
What gets hotter as it gets colder?
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This puzzle is tricky because there are many possible answers.
Things that get hotter as it gets colder… You might be thinking of hand warmers or clothing, but the correct answer is something else.
First, try picturing a winter scene.
List a few things you associate with it, and think about “getting hot” as the keyword.
Also pay close attention to the fact that it’s written in hiragana! The answer is something everyone knows, and you’re likely to see it at least once in summer.
Here’s a hint: it’s something that melts in heat.
There are 5 candies. If you lick one, how many are there?
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It seems like a question that would trip up adults more than children.
When you read the problem statement, you instinctively want to treat it like an arithmetic problem and think, “5 – 1 = 4, so the answer is 4!” But remember, it’s a trick question.
The hint to solving it is that the candy wasn’t given to someone else, nor did it disappear.
If you think about how many candies you have after you lick one, you should arrive at the correct answer.
An elementary school student with a flexible mind might solve it right away!
A taxi driver is going the wrong way down the road, but the police don’t stop him. Why is that?
See the answer
Because it’s the driver who’s running
The reason the taxi driver is going the wrong way down the road is that he isn’t driving a car—he’s walking or running himself. In other words, it’s a person running, not a car, so the police don’t stop him. The key is that it’s a play on the meaning of the words.
Today is Monday. Tomorrow is Tuesday. What day is the day after tomorrow?
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When trying to answer this question, wouldn’t most people say, “You’re supposed to answer Wednesday, but the trick is that the answer is Thursday!”? That’s what common sense suggests, right? In fact, if a small child answered that way, I’d be tempted to mark it correct—they’re being clever.
However, the answer is actually neither Wednesday nor Thursday.
The key to finding the answer is to focus on the word “asatte” in the problem statement.
Look closely: while “today” and “tomorrow” are written in kanji, “asatte” is written in hiragana… What does that imply?
What is something that doesn’t decrease no matter what you eat?
What is something that doesn’t get smaller no matter what you eat? Right now, all sorts of foods are probably popping into your mind: rice balls, sandwiches, apples, tangerines, sweets… There are so many edible things, but once you eat them, they’re gone, right? In other words, if you focus on the food when thinking about this question, you won’t get the right answer.
It’s a trick question, so you need to look at it from a slightly different angle.
The correct answer is “your mouth.” It certainly eats anything, but it’s the food that diminishes—the mouth doesn’t get smaller!