소개모바일 앱에서도 프로그램에 참가할 수 있습니다. 앱으로 이동개요Introduction.1단계How do geckos feet work?How do submarines work?How do digital cameras work?How do fitness trackers work?How do trebuchets work?How is bubblegum made?How do solar panels work?How do chopsticks work?Why don't cranes fall over?What causes acid rain?How do racing cars go so fast?How is candy made?How does laser eye surgery work?Why don't cruise ships sink?How do hot air balloons work?How do maglev trains work?How do electric cars work?How do eggs boil?How do fireworks work?How do electric guitars work?What are silicon chips?How do bar codes work?How does a sundial work?How do a lock and key work? How do digital scales work?How do windmills work?How do lava lamps work?How does a gumball machine work? How does a speaker box work?How does a microwave work?How is tomato sauce made?How does a piano work?How do beavers build dams?How does an escalator work?How does popcorn pop? How is yoghurt made?How is paper made?How does a 3D printer work? How does a toilet flush?How is bread made and sliced?참가 신청
