Honorary President of the Asian Children's Education Association and STEM Education Consultant at the Creative Community Center of the Boys' and Girls' Clubs Association of Hong Kong, Mr. Tang Man-hon (STEM Sir), shares interesting scientific knowledge on "STEM and Nostalgic Toys in Hong Kong." Many vintage toys from yesteryear, such as tin frogs and spinning tops, hide scientific principles in their operation. Children can learn when they play with them, increasing their knowledge and training their logical thinking skills.