Genius Siscaa coins are the best selling high quality carrom coins and are mainly used for practice. The thickness of the carrom coin is 8mm, which is on point. It has cardboard packaging. It consists of 20 coins in total. The coins are made of wood. They are best used on Indian Ply carrom boards. These coins are bought for practice by beginners and children. Jupiter coins are used at home as a carrom for practice.