The SZ-HK-MO Design Competition for Young Talents was organised to promote the development of creative design industries among primary and secondary school students in Shenzhen, Hong Kong, and Macao. Our participating team members from S.4, including Chan Yik To, Ng Wing Tung, Wong Sze Chai, Wong Tsz Yu, and Leung Shu Wai Sigmund, designed "The ElderDefender." This device aims to prevent scam calls for the elderly. Their design stood out among more than 600 schools and 6,000 entries across the three regions. They received the Silver Award in the secondary school division, the highest level of award among all secondary schools in Hong Kong.