On December 8, the second edition of the One Day Design Challenge was held in Shanghai. This competition consolidates its presence in China, having been held in 3 different cities in 2018.

For this occasion, the challenge was to redesign the toilet for babies and children in pre-school age. The proposal had to facilitate the learning of kids by providing an easy, comfortable and safe use of the WC solution for them.

"Taller" was the winning proposal of the first prize. Designed by Jiaying Li, Anyi Lyo and Ruiheng Yan, it was a WC whose bottom could be moved to fit the height of anyone, including the smallest of the house. "Shape Memory Toilet" designed by Qian Xu and Qingdi Xiong was the winner of the second prize. This proposal, accompanied by a step for the kids, is characterized by having an adjustable seat according to the size of the user. The third prize was for the group of designers composed by Jiaquing Zhao, Qihang Pu, and Xihan Yu. "Slide" is a proposal of a WC with double cover to adapt to the size of older and smaller users.

The jury was made up of Jamy Yang, founder of Yang Design and a former employee in Siemens' Munich; Min Wang, Professor at China Central Academy of Fine Arts (CAFA) in Beijing and Chair Professor at Tongji University College of Design and Innovation; Ray Chou, a founder and creative director of Vermilion Zhou Design Group; Ying Zhao, New Business Director of AD China; and Emilio Salazar, Managing Director of Roca China.