It’s not true. Lu Ban is a process master. When he was a child, his mother made him a wooden horse to play with. Later, Lu Ban was inspired to improve the wooden horse and it became the most original "wooden cow and flowing horse". Zhuge Liang's invention hundreds of years later On the basis of it, the wife added an enhanced version of the lever principle and gear mechanism to transport hundreds of thousands of grain and grass to the army.
There is no mystery in "The Book of Lu Ban", it is just a legend