The Housemates have decided to bet the minimum of their £114 shopping budget on their first weekly task, just 50% of the available cash.
Big Brother set a 72-hour pedaloe-thon with two provisos - that two Housemates must be on the pedalo at any one time, and the speed cannot drop below 60 revolutions per minute.
It took data strategy boss Jon seconds to show why he's such a business success by organising the motley crew's conversation with the aid of a wooden spoon.
Whoever held the cutlery also held the floor and Sissy grabbed the baton with fervour. "We need to do a test," she announced, anxious that the less fit members of the House would survive the task.
Federico appeared far more interested in the dynamics of the pedaloe, suggesting the success of the challenge may revolve around the "tension" of the exercise machine.