Well anything is possible if you put your head to it!
It is not possible to build a time machine. So NO it is not easy, it is impossible.
Time travel is possible. You can build a time machine with 10 million USD.
How to Build a Time Machine was created in 2003.
The question is a bit ambiguous. I'll assume you mean "What conditions have to be fulfilled in order to build a time machine".It would seem that it isn't possible to actually build a time machine. So far, this remains the realm of fantasy and science fiction stories.
No human has built a time machine, so a 9 year old would find it rather difficult.
no
No.
Building a time machine is currently not possible according to our current understanding of physics and science. The concept of time travel is mainly theoretical and has not been achieved in practice.
The question is very unclear, but that doesn't really matter. As soon as you say "Can you build a time machine . . .", we have enough to render an answer, which is "no".
He believed that, in theory it could be possible to travel backward in time, but he did not make a machine to conduct time travel
No.
well phineas could build a machine but it would take time so i'm going for meowth