For elementary school kids! Fun riddles recommended for the middle grades
Children in the middle grades of elementary school are growing rapidly.
It’s also a time when friendships deepen and play with friends becomes very active.
At this age, their thinking and expressive abilities develop, and their curiosity grows stronger.
They learn many things and absorb new knowledge.
Here, we introduce riddles perfect for middle-grade elementary school children to enjoy with their friends.
Riddles help nurture thinking skills while having fun, making them great for communication with friends and family, too.
By all means, let both kids and adults give them a try together!
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For elementary school kids! Fun riddles recommended for the middle grades (11–20)
Ultra-difficult trick quiz

Are you bad at trick questions? I couldn’t even get the classic one—“Which is heavier, 1 kg of iron or 1 kg of cotton?”—I just kept groaning and never reached the right answer.
I’m the type who overthinks and self-destructs, assuming there must be some hidden twist just because it’s presented as a question.
I can’t handle normal trick questions, so if they’re labeled “super hard,” then… As for those tougher trick questions, the rising YouTuber Chonmage Kozou—who suddenly appeared with the greeting “Hikiniku desu!”—is enjoying them too.
Elementary schoolers who don’t have much time, give them a try!
If you didn’t get caught, you’re a genius.

Let me introduce a “Gotcha-Free Genius Quiz” that also serves as brain training for kids.
The questions are simple, but the answers are a bit twisty.
Try to think about what kind of quiz it is while you work out the answers.
You might find that answering by intuition helps you come up with the answers more quickly.
The more you try not to get tripped up, the more you might fall for the traps, right? Stay relaxed and answer with your intuition.
Make it a fun quiz game that trains your brain!
What is something that won’t break no matter how much you try to break it?
Have you ever had the experience of dropping something and breaking it? As the saying goes, “Anything with form will eventually break,” and glass or pottery will most likely shatter if you drop it.
But there are things in this world that don’t break even when you split them! In fact, they aren’t objects.
If you’re an elementary school student, isn’t there something you split during class? With that hint, you’ve probably figured it out.
The answer is “division.”
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.
What bug is in the center of the world?
What insect is in the middle of the world? You might be tempted to wonder, “Where is the center of the world?” but this is a riddle you can solve with a flash of insight—no geography knowledge needed.
The key point is that “sekai” (world) is intentionally written in hiragana as せかい.
It could have been written in kanji, which makes this suspicious.
By the way, the correct answer is “a mosquito” (ka).
It’s that blood-sucking pest we all hate in summer.
Why? Because the middle letter of せかい (se-kai) is か (ka)!
What animal gets lighter when you flip it over?
An animal that gets lighter when flipped over… Just imagining various animals flipping over makes you feel warm and fuzzy, doesn’t it? But no matter how many real animals you flip, you won’t reach the answer! And since there are so many animals, guessing at random won’t help much either.
The key to solving this riddle is to focus on the crucial word “karui” (軽い), meaning “light.”
When written in katakana, it’s “カルイ” (karui).
If you flip it—i.e., read it backward—it becomes “イルカ” (iruka), which means “dolphin.” So the answer is “dolphin.”
For Elementary Students! Fun Riddles Recommended for Middle Grades (21–30)
No matter how many times you call it, it never answers—what is it?
If you call your dad or mom, your teacher or your friends, they all answer you, right? But in this world, there are things that won’t respond no matter how much you call them… What are they? The answer is something you all know well.
The key to solving this riddle is to focus on the hiragana word yondemo.
First, try converting it to kanji.
If you try different options like 呼んでも (even if you call) and 読んでも (even if you read), you’ll arrive at the answer.
By the way, the correct answer is “a book.”


