You return them to Edmund Hillary on Mount Everest (11 o'clock, 1953 AD).
the goggles are in the indian time period(1519 ad)
talk to the guard in Aztec empire with goggles on and he gives them to you.
You go to Mayan time and get the warrior mask from the old dude. Then you go to 1 of the angry warriors and talk to him. He will give you goggles. Then you can beat it!!!
OK, you have to click on the time clock and go to the Mayan time and look for a guard/warrior with goggles and click on him then he says: "look at these goggles! you can have them."
timetangled
you save the last spy and she will give you a pass code and the goggles
I don't know sorry!: (
in the vikings place
the far right
On your watch (the thing you use to go into any time) go to the last one before the present time. Now, climb Mt Everest until you will see two climbers. Give the goggles to the climber who doesn't have any goggles on.
go beat other islands
You have to get the night goggles.
we wear it to look for the inventor
you give the nickel to the homeless man