Design, build, topple! Have a blast and learn to make domino art with this set of 100 dominoes and accessories from Lily Hevesh, the #1 Domino artist in the world! Domino Creations includes easy-to-follow directions with full-color photographs that will have you building awesome chain reaction designs in no time. Keep on building! Dominoes measure 24mm x 7.5mm x 48mm.