Brain Teasers for Kids: 30 Tricky Teasers with Answers on Riddlepedia
Funny & Tricky

Brain Teasers for Kids: 30 Tricky Teasers with Answers

30 riddles · tap Hint or Answer to reveal

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A brain teaser is a riddle with a catch. The answer is usually simple, but your brain jumps to the wrong idea first: it adds numbers that don’t need adding, pictures someone facing the wrong way, or forgets that a clock can’t tell morning from night. The fun is catching yourself just before you fall for it.

These 30 brain teasers for kids start with quick warm-ups for ages 6 and up and finish with tricky ones that catch plenty of grown-ups too. Read each one slowly, because every word matters. If you’re stuck, open the hint before the answer, and check the short explanation to see where the trick was hiding.

Easy Brain Teasers for Kids

Sam put a full cup of water in the freezer. The next morning the cup was still full, but there wasn’t a single drop of water to drink. Why not?

Hint
Think about what very cold air does to water.
Answer
The water had frozen into ice.

Zara is standing behind her brother, and at the very same time her brother is standing behind Zara. How can that be?

Hint
Which way is each of them facing?
Answer
They’re standing back to back.

I have four legs, but I’ve never taken a single step. At dinner, you pull a chair up to me. What am I?

Hint
Plates and forks go on top of me.
Answer
A table

I have a neck but no head, and I wear a cap to keep my juice from spilling. What am I?

Hint
You might pour me into a glass.
Answer
A bottle

I have a thumb and four fingers, but I’m not alive. In winter, I keep your hand warm. What am I?

Hint
I come in pairs, one for each hand.
Answer
A glove

Which side of a cat has the most fur?

Hint
Don’t think about left or right.
Answer
The outside

There are 6 apples in a basket. You take away 4 of them. How many apples do you have?

Hint
The question asks what you have, not what’s in the basket.
Answer
  1. You took 4 apples, so those are the ones you have.

A farmer has 3 haystacks in one field and 5 haystacks in another. He pushes them all together into one corner. How many haystacks does he have now?

Hint
What happens when you push piles of hay together?
Answer
One. All the hay is now in one big haystack.

Theo says, “The day after tomorrow is Saturday.” What day is it today?

Hint
Count back two days from Saturday.
Answer
Thursday. Tomorrow is Friday, and the day after that is Saturday.

What do you call a bear with no ears?

Hint
Take the “ear” sound out of the word “bear.”
Answer
B (take “ear” out of “bear” and only the B is left).

Medium Brain Teasers

Which is heavier: a kilogram of feathers or a kilogram of rocks?

Hint
Read the amounts again.
Answer
They weigh the same. Each one is exactly one kilogram.

You’re in a running race and you pass the runner in last place. What place are you in now?

Hint
Where would you have to be to pass the last runner?
Answer
You can’t pass the last runner. To pass them, you’d have to be behind them, and nobody is behind last place.

Ella goes to bed at 8 o’clock at night and sets her old wind-up alarm clock to ring at 9 o’clock. How long does she sleep before the alarm wakes her?

Hint
Does that kind of clock know the difference between morning and night?
Answer
One hour. The alarm clock rings at the next 9 o’clock it reaches, which is 9 p.m.

Lucy is 8 years old, and her little brother is half her age. When Lucy is 20, how old will her brother be?

Hint
How many years apart are they? That never changes.
Answer
  1. Her brother is 4 now, so he’s always 4 years younger than Lucy.

Grandma puts 4 cookies on a plate. You eat the first one right away and then one more every half hour. How long until all the cookies are gone?

Hint
The first cookie doesn’t need any waiting.
Answer
90 minutes. You eat cookies at 0, 30, 60 and 90 minutes.

Ruby is standing in a line. She is 10th from the front and 10th from the back. How many kids are in the line?

Hint
Don’t count Ruby twice.
Answer
  1. There are 9 kids in front of her, 9 behind her, and Ruby herself.

You have a basket with 5 eggs and 5 friends. How can you give each friend one egg and still leave one egg in the basket?

Hint
The last friend gets something extra.
Answer
Give the last friend the basket with the egg still inside it.

In Olivia’s living room are Olivia, her dad, their dog and a three-legged stool. Nothing else in the room has legs. How many legs are in the room?

Hint
Count people, the pet and the furniture separately.
Answer
  1. Olivia has 2, her dad has 2, the dog has 4 and the stool has 3.

Ben throws a ball as hard as he can. It stops, then comes straight back to him. Nobody catches it, and it doesn’t bounce off anything. How?

Hint
He didn’t throw it forward.
Answer
Straight up into the air. Gravity brought it right back down to him.

Dad needs 10 minutes to boil one egg. How long will it take him to boil 3 eggs, all together in the same pot?

Hint
Do the eggs take turns in the water?
Answer
10 minutes. All three eggs boil at the same time.

Tricky Brain Teasers for Older Kids

Can you name three days in a row without using the words Monday, Wednesday or Friday?

Hint
They don’t have to be days of the week.
Answer
Yesterday, today and tomorrow.

Grandpa Joe is 72 years old, but he has only had 18 real birthdays. How is that possible?

Hint
His birthday isn’t on the calendar every year.
Answer
He was born on February 29. Leap day only comes once every four years, and 72 ÷ 4 = 18.

A doctor has a brother named Leo, but Leo has no brothers at all. How can that be?

Hint
Who said the doctor was a man?
Answer
The doctor is Leo’s sister.

Mo and Kim played 5 games of checkers. Each of them won the same number of games, and none of the games ended in a tie. How?

Hint
Who said they were playing each other?
Answer
They were playing other people, not each other.

Two mothers and two daughters go to the movies. They buy only three tickets, and everyone gets a seat. Nobody sneaked in. How?

Hint
One person can be a mother and a daughter at the same time.
Answer
They are a grandmother, her daughter and her granddaughter: three people.

How can you drop a raw egg onto a concrete floor without cracking it?

Hint
What is “it”? Concrete is very hard.
Answer
Any way you like. A concrete floor is very hard to crack with an egg.

You’re driving a bus. At the first stop, 4 people get on. At the next stop, 2 get off and 5 get on. At the last stop, 3 get off. What color are the bus driver’s eyes?

Hint
Go back to the very first sentence.
Answer
The same color as yours. You’re the bus driver.

Two boys were born on the same day of the same year to the same mother, but they are not twins. How?

Hint
There’s another baby in the family who was born that day too.
Answer
They are two of a set of triplets.

What can you put into an empty bucket to make it lighter?

Hint
It isn’t air, and it isn’t something you can hold.
Answer
A hole. Cutting a hole takes away some of the bucket, so it weighs a little less.

Which is correct: “The yolk of an egg is white” or “The yolk of an egg are white”?

Hint
Picture a fried egg.
Answer
Neither one. Egg yolks are yellow.

How to Use These Brain Teasers

  • Morning warm-up: in the classroom, write one teaser on the board at the start of the day and collect answers on sticky notes. Reveal the answer after lunch, and ask a student to explain where the trick was.
  • Party “stump the grown-up”: kids read the teasers to the adults. Each adult who falls for the trick owes the kids a dance move, a joke or a turn as the next reader.
  • Write your own: after a round, ask kids to change one teaser into a new one (a different number of haystacks, a different stop on the bus). Changing a puzzle is a great way to understand why it works.

Want more? Try our logic riddles, the full list of riddles for kids or these brain-teasing riddles.