Marbles Puzzle

Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
Object: Delete all marbles except for one, which—with its last marble-smashing move—should land on the gray target position.
[more]
Contributed by: Karl Scherer (April 2014)
Open content licensed under CC BY-NC-SA
Snapshots
Details
There are 31 randomized and six fixed setups to choose from. In the challenges with randomized setups, you have to click the empty board first. Challenges with randomized setups do not have a target position for the last remaining marble.
Controls
"challenge":
You can select among 26 randomized setups. An empty board without marbles appears. Click the board anywhere to let the system randomly drop a certain number of marbles.
"<",">" setter bar:
Click to select the previous or next challenge.
"reset":
Takes you back to the scrambled starting position. To see a differently randomized setup for this challenge, select a different challenge and then select the desired challenge again (use "<," then ">").
"moves":
Counts the moves; useful when you compete for the fastest solution with your friends.
"back":
Click to return to last move.
History
This puzzle was previously published as the Zillions game "Marbles" by the same author.
Permanent Citation
"Marbles Puzzle"
http://demonstrations.wolfram.com/MarblesPuzzle/
Wolfram Demonstrations Project
Published: April 23 2014