The Sudoku With Some Balls Sudoku Game Set from Brass Monkey is the classic numbers game with a twist using colored wooden balls.This game set features 81 painted ball pieces that nest into the holes of the included game board. Perfect for traveling (or playing during mild earthquakes). Included in this sudoku set from Brass Monkey is a gamebook with hundreds of puzzles to set up and solve...alone or with friends. The game set box measures 7.8" square (by 2.8" deep if you're curious). Everything (including the game board) packs away into the display-worthy box.