Brain teasers for kids. Simple and funny.
Logic puzzles, funny riddlers and brain teasers with answers
Brain teasers for adults and party puzzles
Logic riddles and mind puzzles for everyone.
Hard riddles and difficult puzzles
Very hard brain teasers. For real geeks only!
Random puzzle: Cogwheels
You have an appliance like this:
There are two cogwheels in a box. The bigger one has 24 teeth and it is tightly attached to the center of the box (it doesn’t turn or move). The smaller one has 8 teeth and it rotates around the bigger wheel. How many times does the smaller wheel turn compared with the box when it turns once around the bigger wheel?
Recent puzzles
- Heads – tails (8 years, 1 month ago)
- Prisoners (8 years, 2 months ago)
- Three Chinamen (8 years, 2 months ago)
Puzzle categories
Logic puzzles
Carefully selected logic riddles and mind puzzles. Test your brain.
Maths puzzles and Number Riddles
Math riddles and brain teasers with numbers. This math is not boring!
Picture puzzles
Visual brain teasers and picture riddles
Lateral thinking puzzles and mind teasers
Can you attack problems from other angles and solve these
Daily life puzzles
... if you are mathematician:)