The Stone Bowl for the Great Wall of China (1593 AD) is at the Lewis and Clark camp in 1805 AD (8 o'clock on the time device). When the beaver goes down into the tree, wait a few seconds then jump, and he will pop up as you get to him.
Return the bowl to the Great Wall of China (at the far left on the wall) -- climb the rope at the top and jump hard to the left to reach the sentry.
The pumpkin head is in Time Tangled Island and you have to find it.
Go to the Great Wall of China. Head right and you will see a barrel of gunpowder.
It's in Timbuktu. The dial on the time-traveling device with the dark-skinned woman's head wrapped in a pink cloth.
To find the Greek artifact on Poptropica's Time Tangled Island, head to Ancient Greece. Once there, look for the Parthenon, which is the large white temple. Inside, you'll find the artifact, a statue of a Greek warrior. Interact with it to collect it as part of your quest.
you dont need to return it all you do is go see the warrior who wacks you when you have the mask on and he will give you the gogles
To get the Chinese bowl off the animal's head in the tree on Time Tangled Island, you need to climb the tree and jump onto the branches to reach the animal. Click on the bowl to remove it, and then carefully make your way back down the tree to proceed with the quest.
In Poptropica's Time Tangled Island, Leonardo's notebook can be found in the Renaissance section. After you complete the tasks involving Leonardo da Vinci, head to his workshop, which is located in the area where you find him painting. The notebook is on the workbench in the workshop, and you can pick it up to complete the quest related to Leonardo.
on the side of their head
On the Aztec "time period" go to the right--you'll have to dodge some warriors--and climb up the last building, and you'll see an old man carrying a mask. Click on him, and he'll give you the mask!
When the beaver pops out and you jump after it, it will dive down. When it comes up jump after it, make dive down, land(of course), then jump to the top and the beaver pops up and you get the stone bowl.
Go to 1805 AD on your time machine. Next, jump to the top of the tree on which "Clark was here" has been written. When the beaver pops out of the top of the tree, click on the grey object on its head. If successful, you will receive the clay bowl.
The squirrel (probably actually a beaver) pops up out of the tree, but ducks when you try to grab him. Wait a few seconds after he goes down into the tree, then jump to catch him as he pops up again.