Disclosed is an echo -video-image transmission device that uploads, onto a cloud server, an echo video image of a fetus of a prenatal patient that is output from an ultrasonic diagnostic device. The game of chance includes a primary game and a sorting feature. Also includes is a piezoelectric ceramic sensor having a plurality of piezoelectric ceramic elements arrayed and spaced to receive the activation signal detect one or more features of a digit proximate to the array in accordance with the received activation signal and produce output signals representative thereof.