Authors: YEH, HSUAN-WEI; PAN, YU-SHIH; TIEN, PING-YING
Company/Institution: National Hsinchu Senior High School, National Experimental High School at Hsinchu Science Park, Taipei Municipal Chien Kuo High School
Country: Taiwan
e-mail: eddie@wiipa.org.tw
web: https://www.wiipa.org.tw/
A major flaw in regular carts is that it is heavy and clumsy, causing inconvenience when transporting and carrying. With the inspiration from extendable clothes hangers, we evolved previous versions of our simple cart to increase its stability and convenience.