Hong Kong Direct Subsidy Scheme Schools Council organized DSS STEM Fair 2018 in St. Paul’s Convent School was held from 22 to 24 September 2018. Our school has been invited to launch our STEM exhibit on science research in the 3-day Fair. Invention projects exhibited in our booth included EggCellent Supercapacitor, 1357 Smart Recycling Bin, Basketball Shooting Robot, etc. Besides, our students also educated the public by distributing the booklets “Golden Rules for Facing Climate Change” to promote Citizen Science and Sustainable Development to the community.