Design, build, topple. Have a blast and learn to make domino art with this set of 100 neon 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. These dominoes make great games for kids 8-12, but they are fun for all ages. Dominos measure 24mm x 7.5mm x 48mm. Keep on building.