Scouts, in pairs, take turns attempting to complete a challenge and refereeing their partner in a minute, before swapping.
See fact sheet below
Scouts are split into pairs and given a challenge to set up. Once all challenges are set up, the whole group is taken around the room and each challenge is explained. Scouts then have a minute to attempt to complete challenge, with their partner refereeing. A point is awarded if the challenge is complete. After a minute, there is a brief respite and swap over period (approx. 15 seconds) and then the other member of the pair attempts the challenge. Scouts then move to the next base until they've attempted all bases.