Aerosol generating device system

A kit for an aerosol generating device system for generating an aerosol from aerosol-generating material comprising:

• a first auxiliary body removably mountable to a primary body of an aerosol generating device, the first auxiliary body comprising a first cavity arranged to receive at least a portion of an article containing aerosol-generating material;
• and
• a second auxiliary body removably mountable to the primary body, the second auxiliary body comprising a second cavity arranged to receive at least a portion of an article containing aerosol-generating material;
• wherein the first auxiliary body and second auxiliary body are arranged to be interchangeably attached to the primary body;
• and
• wherein the first cavity has a first configuration and the second cavity has a second configuration, the first configuration being different to the second configuration such that a portion of an article receivable by the first cavity is different than a portion of an article receivable by the second cavity.