Nim marble game

thingiverse

15 Marble x 3 Column Nim Game. Players convene to agree on the number of marbles to be used. Players simultaneously flip to determine who will initiate play. The player who lost the flip places the marbles into the stacks. Beginning with the first player, players take turns removing one or more marbles from a single stack. The game concludes when the last marble is removed, and the winner is declared.