Gold prize: Straw straw, Yuki Lida (Japan)
Silver Prize: Trash pack for outdoors, Keb & Eri Sugimoto (United States)
Bronze prize: Second skin, Jean-Baptiste Senequier (France)
Camelia washing-up powder, Huang Yi Tang (Taiwan)
A precise stapler, Joonhyun Kim (South Korea)
Tachia mat, Jung-Chen Hung & Chia-en Lu (Taiwan)
Grandpa's nail hook, Masashi Watanabe (Japan)