Quoted from TRAMD:I kept the original TZ because it is just that, all original, while my newer one has LEDs, color DMD and a bunch of toys and mods.
This would be a reasonable answer to having more than 1 example of a pin in a home collection. As well if there is space. Another alternative would be two games set up together, 1 set on 3 balls, the other on 5 balls.