Professional Trade Show Shells - TrickChef Anton and Pop Haydn have created this incredible new version of the classic swindle that everyone knows and loves! Now you can perform it on stage, on the street, at trade shows, parlor and other venues where before it was not possible! These beautiful, hand painted, virtually indestructible hard resin shells perform the traditional shell game with a hard, 1 3 4" pea, and yet the effect is all mechanical there's no sleight of hand required.