What do you think is the best sentence in this story? I suppose it is the second one. Why don’t I just write one phrase? If in a word “to the next person”, why is the first wrong?”

Some geek wannabes welded part of robots so that they could make phone, radio, and armors.

or,

Some geek wannabes welded parts of robots in the hope of building phones, radios, and armors.

What is an easy way to get something that works as it is by learning or experiencing something.