In this third of four films Dezeen made to coincide with the Ron Arad: Restless exhibition at the Barbican in London, Arad explains why he wanted movement to be a key part of the show.
In the movie, Arad shows us the small mechanisms created by his ex-students Tom Foulsham and Valentin Vodev to agitate the furniture pieces while on display.
Watch Arad talk about has background and upbringing in our second movie.
Take a tour of Arad's north London studio in our first movie here.
Dezeen is online media partner for Ron Arad: Restless, which runs until 16 May. Click here for info and tickets.