Coin Puzzles

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Keep It Even
Keep It Even
by Boris Kordemsky
From a 4x4 array of coins, remove six of them to leave an even number of coins in each row and column.
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Nob's H-2-O
Nob's H-2-O
by Nob Yoshigahara
The title of the puzzle describes it quite well. The additional information is that the letters are made of coins and there is a limit on the moves. Go right to the rules to find out more!
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Coin Butterfly
Coin Butterfly
by Peter Grabarchuk
Two equilateral triangles are created with the help of five identical coins. Slide only two coins so that the equilateral triangles are now both of different size.
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Coin Exchange
Coin Exchange
by Peter Grabarchuk
Invert a capital L of coins into another L only by sliding of the coin pairs. Now that you know this simpLe ruLe, it couLdn't be very difficuLt to sLide the coins up to the soLution...
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In Puzzleland
In Puzzleland
by Sam Loyd
Nine coins. Placed in a square they form eight rows of three coins each. Theory states they can form more rows of three coins. How to get it in practice?
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Four Stacks
Four Stacks
after Martin Gardner
Tumping over two coins every time rearrange a row of eight coins into four stacks of two coins each. It can be done in four jumps - just keep jumping.
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Coins & Triangles
Coins & Triangles
by Kobon Fujimura
Remove some coins from a big coin triangle containing ten coins and a lot of smaller equilateral triangles so that no equilateral coin triangles remain.
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The Five Pennies
The Five Pennies
by Henry E. Dudeney
Maybe it is easy to place four coins in such a way that each coin touches every other one. But what would you say about five coins? Yes, it is possible too.
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The Jumping Coins
The Jumping Coins
What can prevent you from moving the coins forward to the aim of the puzzle? Ironically, but it's the rule of "forward-move-only" that can do it.
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The Six Pennies
The Six Pennies
by Henry E. Dudeney
Transform the two rows of coins into a perfect hexagon simply sliding them. And there is only one additional spec for the sliding...
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Coin Squad
Coin Squad
by Serhiy Grabarchuk, Jr.
Form a little coin squad, and change then its order by a simple slide the coins in pairs. It really doesn't require the military tactics.
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Coin Cup
Coin Cup
by Serhiy Grabarchuk, Jr.
You don't have to win a playoff to get the cup turn over. Just win your own set in two coins and make the cup stand upside down.
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Collating the Coins
Collating the Coins
by Martin Gardner
Change the order of five coins in a chain from big-small-big-small-big to big-big-big-small-small. Another classic puzzle gem!
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Coin Triangle
Coin Triangle
by Serhiy Grabarchuk
Change the triangle into a square by moving the minimum of the coins. How many coins will you need to move to do this?
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Last Updated: April 13, 2013 top
Coin Puzzles
Matchstick Puzzles
Put-Together Puzzles
Tangrams
Puzzles with Letters
Matching Cards
Checkerboard Puzzles
Chess 'n' Checkers Puzzles
Puzzles with Trains
Folding Puzzles
Other Manipulative Puzzles
 
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