Sweet Fifteen modern version of the popular 15 square game. Easy to learn and easy to play. Fun for all ages. Bobby Fisher, a chess champion, said he …
The Ten Key Calculator operates in a manner similar to desktop adding machines. Ten Key adds numbers and leaves a list that can be modified by inserti …
Sweet Fifteen modern version of the popular 15 square game. Easy to learn and easy to play. Fun for all ages. Bobby Fisher, a chess champion, said he …