How do i build digital dice?

i have to build a digital dice (or die in plural) circuit through a program on the computer called "circuitmaker" and after i need a wiring diagram. does anyone know any good websites or can help me out with this. i have started building it on circuit maker using research which i have gathered from a site i found, but i am having trouble with some parts which do not seem to be available in "circuitmaker". If you are interested in helping me out please im me on AIM, my SN is halosniper123.