Fast hands place Aussie stackers in reach of world cups

Mitchell Stribley and sister Tamika are representing Australia in the world stacking championships. (HANDOUT/SHANE JONES)

They're the Australian family vying for a place at the pinnacle of the fastest sport involving drinkware.

Less than two years after they first began stacking cups, the Stribleys are on their way to compete at the world championships in Florida in March.