The setting Lab, at 12 o'clock on the time device, takes you back to Professor Pendulum's lab on Main Street "in the present".
You would ordinarily use this when you have completed returning items to their proper time (the device is all green and Lab flashes). You then use the Future Machine to go to the "restored" future.
(see related question)
The time device is part of Time Tangled Island, not Nabooti Island.
the timing device is a device that takes you back in time in time tangled island
The ancient time on Time Tangled Island is 328 BC (1 o'clock on the time device).However, it is not Rome, but the earlier Greekcivilization that preceded it.
The Mali Empire is at 1387 AD (3 o'clock on the time device).
Thomas Edison is at 1877 AD (9 o'clock on the time device).
The Greek time is 328 BC (1 o'clock on the time device).
There are no balloons on Time Tangled Island. The blimp for Poptropica is at the Lab in the present day (12 o'clock time device) , so it doesn't appear in the past.
The Vikings are at 831 AD (2 o'clock on the time device).
This is a non-specific description of the symbol for the Mali Empire, 1387 AD, on Time Tangled Island. This time period is the 3 o'clock position on the time device.
You can leave any time by using the time device to go to another time.
It is Ancient Greece, which is 328 BC (1 o'clock on the time device).
The Aztecs are at 1519 AD (5 o'clock on the time device).