Ting Si Kai & Ting Si Dung

Brothers play hard and study hard Ting Si Kai & Ting Si Dung are brothers. Kai could bike at very early age of 3. Kai started to skate at 4 years old.

Kai & Dung have a strong ability of sports such as biking, inline skating, running, etc. At his age of 5 he could use tools to remove subwheels on his own bike. He could cycle without holding handle bar at 8 and ride fast. Also, Kai can run very fast though he's too thin. Dung could skate at 3 years old. He could ride from 4 years old. They themselves usually compete to each others by holding running, biking & skating races.