Lecture 31: Design and develop an envelope for sending greeting card. Apply the philosophy and the principles of Non-functional Elements to communicate your emotional feeling from distance to your close one. Lecture 34: Pick up any toy and redesign the same in the context of modern design elements. However, do not disturb the basic essence of the traditional ethos. Lecture 35: Propose probable ethical design solution (s) for the huge energy consumption in Multiplex Malls and analyze on the basis of the above points. Lecture 36: Make a concept design of 'footwear' based on local conditions (semi-rural), material and suitability that could also address Global market. Lecture 39: Design a computer cabinet that will have maximum biodegradable material. New material should replace as much as possible conventional no-biodegradable material without losing the material property (strength and stability). Lecture 40: Sustainable Design encourages recycling material. Create household product out of waste material that we throw away from home.