Description:Find the coconut that has the ball underneath it.... Instructions:This game is based on the classic concept of "Three Shells and a Pea" also known as "Thimblerig" This is portrayed as a gambling game, but is purely a swindle game used to perpetrate fraud.It is played on a flat surface, and requires three shells (or thimbles, walnut shells, bottle caps, and even match boxes) and a small soft round ball, about the size of a pea, and often referred to as such.