變形金鋼一部曲
然後台北的公寓電梯小小的，老師傅克服了許多困難讓我們可以分解上樓。
小三輪的連結處居然是車用傳動軸，想到就令人興奮!!
Transformer 1, In this step, the iron master use several skills to make a separate structure for bike. Finally we can fit in the tiny elevator. The master is used to build a car, now make cargo more like car.