Are these brain teasers suitable for children?

Most of these brain teasers are suitable for ages 10 and up. A few lateral thinking puzzles (such as the albatross soup riddle) are better suited to teenagers and adults because they involve mature themes. The number patterns and classic riddles work well for a mixed-age group.

Can I use these brain teasers at school or in a classroom?

Yes. These are all based on classic public-domain riddle types and are free to print for personal and educational use. They work well as warm-up activities, end-of-lesson bonuses, or take-home puzzle sheets.

How does printing work — will the answers show on the same page?

On screen, answers are hidden inside a collapsible 'Show answer' section. When you print, the questions appear on page one and the full answer key appears on a separate second page, so you can hand out the question sheet without giving away the answers.

What are the different types of brain teasers included?

The 30 teasers cover six types: classic 'what am I' riddles, river crossing and resource puzzles, lateral thinking scenarios, number and pattern sequences, wordplay riddles, and observation-based logic puzzles.

Can I print just the questions without the answers?

Yes. When you print, the printable layout is split so questions appear on page one and the answer key appears on page two. You can choose to print only page one (questions) in your browser's print dialog.

Printable Brain Teasers

Thirty brain teasers — riddles, logic puzzles, number patterns, and lateral thinking challenges — ready to print in seconds. Questions land on page one; the answer key prints on its own separate page so you can hand them out without spoilers.

No signup, nothing stored. Print and enjoy a fun mental workout anywhere.

How to use this sheet

Browse the questions below — tap or click "Show answer" on any teaser to reveal the solution on screen.
Click "Print brain teasers" — your browser's print dialog opens. Page one contains all 30 questions; page two is the full answer key.
Hand out only page one — select "Pages: 1" in the print dialog if you want to distribute the question sheet without the answers.
Works for groups — these make a great pub quiz warm-up, classroom starter activity, or car-journey game. Print a copy per person, set a timer, and compare answers.

What types of puzzle are included?

Classic riddles — the familiar "What am I?" format that tests wordplay and lateral thinking.
River crossing puzzles — step-by-step logic problems where you move items across without breaking the rules.
Number patterns — sequences that reward pattern recognition (including the Fibonacci sequence).
Lateral thinking scenarios — short story-puzzles where the surprising answer is hidden in plain sight.
Wordplay — letter-based challenges that reward a sharp eye for language.

You can also explore our other printable word searches and road-trip games for more printable fun.

All 30 brain teasers

Click "Show answer" to reveal the solution.

1. I speak without a mouth and hear without ears. I have no body, but I come alive with the wind. What am I?
Show answer
An echo.
2. The more you take, the more you leave behind. What am I?
Show answer
Footsteps.
3. I have cities but no houses live there. I have mountains but no trees grow there. I have water but no fish swim there. What am I?
Show answer
A map.
4. What has hands but cannot clap?
Show answer
A clock.
5. I have a head and a tail but no body. What am I?
Show answer
A coin.
6. What comes once in a minute, twice in a moment, but never in a thousand years?
Show answer
The letter M.
7. What gets wetter the more it dries?
Show answer
A towel.
8. I have teeth but I cannot bite. What am I?
Show answer
A comb.
9. What has a neck but no head?
Show answer
A bottle.
10. The more there is of it, the less you see. What is it?
Show answer
Darkness.
11. If you have a 3-litre jug and a 5-litre jug, how do you measure exactly 4 litres of water?
Show answer
Fill the 5-litre jug. Pour from it into the 3-litre jug until it is full (leaving 2 litres in the 5-litre jug). Empty the 3-litre jug. Pour the 2 litres into the 3-litre jug. Fill the 5-litre jug again, then pour from it into the 3-litre jug until full (1 litre goes in). You now have exactly 4 litres left in the 5-litre jug.
12. A rooster lays an egg on the peak of a roof. Which way does the egg roll — left or right?
Show answer
Neither. Roosters don't lay eggs.
13. What number comes next in the sequence: 2, 4, 8, 16, 32, ___?
Show answer
64. Each number is double the previous one.
14. What number comes next: 1, 1, 2, 3, 5, 8, 13, ___?
Show answer
21. Each number is the sum of the two preceding numbers (the Fibonacci sequence).
15. A farmer has 17 sheep. All but 9 die. How many are left?
Show answer
9. The phrase 'all but 9' means 9 survive.
16. A man needs to cross a river with a fox, a chicken, and a bag of grain. His boat holds only him and one item. The fox eats the chicken, and the chicken eats the grain if left alone together. How does he cross safely?
Show answer
Take the chicken across first. Return alone. Take the fox across. Bring the chicken back. Take the grain across. Return alone. Take the chicken across. Now all three are safely on the other side.
17. Three missionaries and three cannibals need to cross a river. The boat holds two. The cannibals must never outnumber the missionaries on either bank. What is the first move?
Show answer
Send two cannibals across first. One cannibal brings the boat back. The missionaries are never outnumbered in the opening moves.
18. You have two candles, each burns in exactly one hour. How do you measure 45 minutes using only these two candles?
Show answer
Light both ends of one candle and one end of the other at the same time. When the first candle burns out (30 minutes), light the other end of the second candle. It will burn for exactly 15 more minutes, giving 45 minutes total.
19. A man walks into a restaurant and orders albatross soup. He tastes it, then goes home and shoots himself. Why?
Show answer
He had been stranded on an island with his wife after a shipwreck. Someone told him the stew they were eating was 'albatross soup.' When the restaurant soup tasted different, he realised he had actually eaten his wife — she had died and the other survivor had lied to get him to eat. (Classic lateral thinking puzzle — answers may vary.)
20. A man is found dead in a field. Next to him is an unopened package. There is no one else nearby. How did he die?
Show answer
The unopened package is a parachute that failed to open. He jumped from a plane.
21. A woman pushes her car to a hotel and immediately knows she is bankrupt. How?
Show answer
She is playing Monopoly.
22. Two people are playing chess. They play five complete games in a row. Each person wins three games with no draws. How is this possible?
Show answer
They are not playing each other. They are each playing different opponents.
23. I am always in front of you but cannot be seen. What am I?
Show answer
The future.
24. I have branches but no fruit, trunk, or leaves. What am I?
Show answer
A bank.
25. I can fly without wings. I can cry without eyes. Wherever I go, darkness follows me. What am I?
Show answer
A cloud.
26. The more you remove from me, the bigger I become. What am I?
Show answer
A hole.
27. I start with 'E', end with 'E', and usually contain only one letter. What am I?
Show answer
An envelope.
28. I have no legs but I always run. I have no lungs but I need air. I have no mouth but water kills me. What am I?
Show answer
Fire.
29. There are three apples in a basket. You take away two. How many apples do you have?
Show answer
Two — the ones you took away.
30. What five-letter word becomes shorter when you add two letters to it?
Show answer
SHORT. Adding 'er' makes it SHORTER.

Printable Brain Teasers

printabletoolbox.com — free to print for personal and educational use

I speak without a mouth and hear without ears. I have no body, but I come alive with the wind. What am I?
The more you take, the more you leave behind. What am I?
I have cities but no houses live there. I have mountains but no trees grow there. I have water but no fish swim there. What am I?
What has hands but cannot clap?
I have a head and a tail but no body. What am I?
What comes once in a minute, twice in a moment, but never in a thousand years?
What gets wetter the more it dries?
I have teeth but I cannot bite. What am I?
What has a neck but no head?
The more there is of it, the less you see. What is it?
If you have a 3-litre jug and a 5-litre jug, how do you measure exactly 4 litres of water?
A rooster lays an egg on the peak of a roof. Which way does the egg roll — left or right?
What number comes next in the sequence: 2, 4, 8, 16, 32, ___?
What number comes next: 1, 1, 2, 3, 5, 8, 13, ___?
A farmer has 17 sheep. All but 9 die. How many are left?
A man needs to cross a river with a fox, a chicken, and a bag of grain. His boat holds only him and one item. The fox eats the chicken, and the chicken eats the grain if left alone together. How does he cross safely?
Three missionaries and three cannibals need to cross a river. The boat holds two. The cannibals must never outnumber the missionaries on either bank. What is the first move?
You have two candles, each burns in exactly one hour. How do you measure 45 minutes using only these two candles?
A man walks into a restaurant and orders albatross soup. He tastes it, then goes home and shoots himself. Why?
A man is found dead in a field. Next to him is an unopened package. There is no one else nearby. How did he die?
A woman pushes her car to a hotel and immediately knows she is bankrupt. How?
Two people are playing chess. They play five complete games in a row. Each person wins three games with no draws. How is this possible?
I am always in front of you but cannot be seen. What am I?
I have branches but no fruit, trunk, or leaves. What am I?
I can fly without wings. I can cry without eyes. Wherever I go, darkness follows me. What am I?
The more you remove from me, the bigger I become. What am I?
I start with 'E', end with 'E', and usually contain only one letter. What am I?
I have no legs but I always run. I have no lungs but I need air. I have no mouth but water kills me. What am I?
There are three apples in a basket. You take away two. How many apples do you have?
What five-letter word becomes shorter when you add two letters to it?

Answer Key

printabletoolbox.com

Q1: An echo.
Q2: Footsteps.
Q3: A map.
Q4: A clock.
Q5: A coin.
Q6: The letter M.
Q7: A towel.
Q8: A comb.
Q9: A bottle.
Q10: Darkness.
Q11: Fill the 5-litre jug. Pour from it into the 3-litre jug until it is full (leaving 2 litres in the 5-litre jug). Empty the 3-litre jug. Pour the 2 litres into the 3-litre jug. Fill the 5-litre jug again, then pour from it into the 3-litre jug until full (1 litre goes in). You now have exactly 4 litres left in the 5-litre jug.
Q12: Neither. Roosters don't lay eggs.
Q13: 64. Each number is double the previous one.
Q14: 21. Each number is the sum of the two preceding numbers (the Fibonacci sequence).
Q15: 9. The phrase 'all but 9' means 9 survive.
Q16: Take the chicken across first. Return alone. Take the fox across. Bring the chicken back. Take the grain across. Return alone. Take the chicken across. Now all three are safely on the other side.
Q17: Send two cannibals across first. One cannibal brings the boat back. The missionaries are never outnumbered in the opening moves.
Q18: Light both ends of one candle and one end of the other at the same time. When the first candle burns out (30 minutes), light the other end of the second candle. It will burn for exactly 15 more minutes, giving 45 minutes total.
Q19: He had been stranded on an island with his wife after a shipwreck. Someone told him the stew they were eating was 'albatross soup.' When the restaurant soup tasted different, he realised he had actually eaten his wife — she had died and the other survivor had lied to get him to eat. (Classic lateral thinking puzzle — answers may vary.)
Q20: The unopened package is a parachute that failed to open. He jumped from a plane.
Q21: She is playing Monopoly.
Q22: They are not playing each other. They are each playing different opponents.
Q23: The future.
Q24: A bank.
Q25: A cloud.
Q26: A hole.
Q27: An envelope.
Q28: Fire.
Q29: Two — the ones you took away.
Q30: SHORT. Adding 'er' makes it SHORTER.

Frequently asked questions

Are these brain teasers suitable for children?: Most of these brain teasers are suitable for ages 10 and up. A few lateral thinking puzzles (such as the albatross soup riddle) are better suited to teenagers and adults because they involve mature themes. The number patterns and classic riddles work well for a mixed-age group.
Can I use these brain teasers at school or in a classroom?: Yes. These are all based on classic public-domain riddle types and are free to print for personal and educational use. They work well as warm-up activities, end-of-lesson bonuses, or take-home puzzle sheets.
How does printing work — will the answers show on the same page?: On screen, answers are hidden inside a collapsible 'Show answer' section. When you print, the questions appear on page one and the full answer key appears on a separate second page, so you can hand out the question sheet without giving away the answers.
What are the different types of brain teasers included?: The 30 teasers cover six types: classic 'what am I' riddles, river crossing and resource puzzles, lateral thinking scenarios, number and pattern sequences, wordplay riddles, and observation-based logic puzzles.
Can I print just the questions without the answers?: Yes. When you print, the printable layout is split so questions appear on page one and the answer key appears on page two. You can choose to print only page one (questions) in your browser's print dialog.

More free printables

The Printable Toolbox has a growing collection of free print-ready sheets. Try the habit tracker, the word search maker, or the printable trivia questions for your next gathering.