Got one of these handed out to me at the train station this morning. Might check them out for a week given I'm in a different state due to work. T&Cs below:
Terms and conditions
1.Subject to Fitness First terms and conditions of entry (available in club).
2.Valid for first time visitors and local residents 16 years and older only.
3.The 7 day pass entitles the named person to a guest membership at selected Fitness First Clubs.
4.Photo ID is required for entry.
5.Only 1 free pass can be used per person.
6.Valid for use during Australian Fitness Week only from 7 - 13 April 2014.
7.Not valid with any other offer
8.Valid only at club where voucher is redeemed.
9.7 day pass that have been photocopied, altered or damaged will not be accepted.
10.Expires 14 April 2014.