Extra Retail Unit, are a series of small movable structure, sort of kiosks avilable for different purposes, deisgned to improve the commercial surface of small shops on the public space. Originally designed for the Bat Yam Biennale curated by Yael Moria klein and Sigal Barnir, in 2010, they basically create a portion of public space protecting customers from the sun, around a small private commercial point.