The Cross Through marbles were made in the style of three "V's," with a total of six vanes. The vanes met in the center of the marble. A One-Way Cross Through had three colors. One of the colors appeared on single vanes opposite each other, and the other 2 colors in "V" shapes opposite each other.
Photograph by Patry Denton
Two purple vanes opposite each other with a yellow "V" on one side and a dark green "V" on the other side.