Housemates had to stand on boxes for as long as possible, with the last housemate standing winning whatever prize was in their box.
As well as a new telly, a holiday, £1,000 in cash and a spa day for two were up for grabs.
But other prizes included a coffee machine and a toilet brush.
Housemates were unaware that Adam had been to the Diary Room to assign the prizes. He was the only housemate who knew which prize each housemate was playing for.
After 12 hours, Deana conceded to allow Adam to win.
Catch the task from 9PM on tonight's show on Channel 5.