Bright sparks: Moh (right) showing how his invention works with teammates Lim and Kong.
KUALA LUMPUR: When her mother fell off a ladder while changing a light bulb, 10-year-old Cherry Kong Chen Ling literally, had a light bulb moment.
The SJK (C) Methodist (M) student then went on to design a light bulb changer with her two schoolmates, Daryl Lim Jinn Chen and Kelvin Moh Zhong Cheng, also 10.
