In the Time Tangled Island quest in Poptropica, the missing piece is the time device part that you need to repair the time machine. To find the missing piece, you have to travel through different time periods and complete tasks to receive clues on its whereabouts. Once you have gathered all the necessary clues, you can use them to pinpoint the location of the missing piece and retrieve it to complete the quest.
You Have To Get Everything Mixed Up And It Will Be Tangled
An Aztec warrior has it on him. You have to get the mask first, then talk to him and he should give it to you.
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).
The Aztecs are at 1519 AD (5 o'clock). They are missing a piece from their Sun Stone. You can find it on Edison's roof at 1877 AD (9 o'clock). Push the button on the horseless carriage at left, and ride it to the tree at right.
The people at the second pyram
It is not a "piece of metal" but a "peace medal" (offering denoting friendship). You can find it below the hole in the "bridge" at Leonardo's time (1516 AD) and return it to the Lewis and Clark expedition at 1805 AD.
it is Leo's workshop and go to the bridge that has rope on the other side is a piece of metal.
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 Aztecs are at 1519 AD (5 o'clock on the time device). They are missing their Sun Stone piece (at 1877 AD). The hostile guard has the Climbing Goggles for 1953 AD. (Get the warrior mask at far right.)
You follow the lady into the building, talk to the man and the lady. Then keep going down and push the thingy in, jump on it to get back up. Then see the future . find all the missing items and that's how you save the future. SEE: How do you beat time tangled island
poptropica
In 1953 AD, climb Mount Everest to find the missing study model of the Statue of Liberty. Return it to the designer at 1882 AD (10 o'clock on the time device).