Question

how to do periscope?

Answer 1

To do periscope,follow the method:
1. Find two small mirrors about the same size. ...

Cut the tops off two clean milk cartons. ...

Tape the two cartons together. ...

Cut a hole on one side just big enough for a mirror. ...

Insert a mirror facing the hole at a 45º angle. ...

Cut a hole at the other end, facing the opposite direction.