The RSPCA is raising awareness for the poor conditions facing caged hens.

This Saturday from 11.30 -1:30 outside the Wintergarden, a 475 by 475 millimeter perspex cage will be erected to allow shoppers to experience the human equivalent living space that these chickens have.

The RSPCA says caged hens do not have enough space to stretch, flap their wings, or exercise.