Theo Jansen displays his ‘Strandbeests’ at the Sept. 10 demonstration outside the MIT Media Lab. These creations are purely mechanical, wind-powered creatures that walk autonomously on PVC feet. Jessie Wang May. 9, 2016 Facebook Twitter Reddit Print Theo Jansen displays his ‘Strandbeests’ at the Sept. 10 demonstration outside the MIT Media Lab. These creations are purely mechanical, wind-powered creatures that walk autonomously on PVC feet. Jessie Wang