TeachingMyToddlers,
probably it is about this:
http://forum.brillkids.com/general-discussion-b5/how-to-teach-shichida-method/http://www.shichidaparents.com/rc/downloads/esp-games/shichida-hsp-games.doc I also tried. Until 4 years, my kid did not understand, what is the guessing. Also later she did not like this game.
Now (after 4.5 years) we often play games with dice. Sometimes we try to guess which will be the next number. Unsuccessfully (1/6).