It is part of the Aztec Sun Stone (1519 AD). Take it there and return it. If you get the warrior mask from the far right, the guard will give you the Climbing Goggles for 1953 AD.
The colorful piece of stone (part of the Aztec Sun Stone) is on top of Edison's house (1877 AD). Return it to 1519 AD.
The Aztec Empire is where you get the sun stone piece on Time Tangled Island. It is 1519 AD the picture is a man with headdress.
The piece of the Sun Stone is from the Aztec kingdom at 1519 AD (5 o'clock on the time device).
Keep traveling and get stuff from people and look above every building possible.
The piece of the Sun Stone for the Aztecs in Time Tangled Island can be found in the past, in the Aztec Empire. You'll need to use a grappling hook to climb to the top of the Temple of the Sun and retrieve the piece from there.
The button to start the horseless carriage on Time Tangled Island is on the rear. Push it and the car will drive across to the right. You can climb the tree to the roof, where the Sun Stone piece is in the second chimney.
The Aztecs (5 o'clock 1519 AD) are missing a piece of the Sun Stone. It is in one of the chimneys at Thomas Edison's house (9 o'clock, 1877 AD). Go left to the horseless carriage and start it, and ride it to the tree, to reach the roof. The stone is in the second chimney. Return it to the rulers at the Aztec pyramid in 1519 AD.
The Sun Stone piece is in a chimney at Thomas Edison's house in 1877 AD. Start up the newfangled "horseless carriage" (early car) at the left. Press the button and it will drive across the front of the house. Jump from the car to the tree, to the roof. The Sun Stone piece goes to 1519 AD (5 o'clock position on the time device).
on the top of the tower thing.
The people at the second pyram
The sun stone in Time Tangled Island is located in the ancient city of Tenochtitlan, which corresponds to the Aztec civilization in Mesoamerica.
It's on top of Edison's roof in 1882 AD, where you return the phonograph. Bring it to the king at the Aztec time, 1519 AD.