Go to the Vikings time (831 AD) and climb to the rocked-in cave. Click on the rocks to blast them open. At the bottom left inside is the golden vase. Go down, up, up, up, across the center divide, then down and left, jumping the puddles, before the torch burns out. The vase goes to the guards in 328 BC.
You go to the guy who wants the smoke bowl and on the other part of the place should be gunpowder on bricks.
Go to the Great Wall of China. Head right and you will see a barrel of gunpowder.
It is a barrel of gunpowder, and it is near the right side at 1593 AD. When you go to 831 AD, you can just click the rocks in front of the cave, and the gunpowder will blast it open.
There are no more secret items on time tangled island, but if you are talking about winning the whole island, go onto youtube and type 'poptopica time tangled island.'
You need to find the gunpowder (in the 6th place from the lab going clockwise). Then go to the 2nd place from the lab clockwisley and go up to blast the cave.
At the Great Wall of China (1593 AD), you can get the Thor amulet and a barrel of gunpowder. Both will go to 831 AD (the Vikings). The gunpowder will blast open the cave where the Golden Vase is hidden.
In the land of the Vikings, go right and up the hill, that's where the cave is. You need the Gunpowder to explode the rocks so you can enter the cave.
Complete all the challenges on Time Tangled Island. Complete all the challenges on Time Tangled Island.
you leave and go to a different island
In Time Tangled island, go to Pendulum's Lab. Inside he will tell you what to do. To turn on the machine, go to the bottom of the lab and push the plug.
No TNT, but some gunpowder that will work. Go to the Great Wall of China (1593 AD) and get the barrel of gunpowder at the far right. You can use to to blast open the cave at 831 AD to recover the Golden Vase.
Once you have recovered the barrel of gunpowder from the Great Wall of China (1593 AD, 6 o'clock on the time device), it should "automatically" go off when you click on the rocks in front of the cave at the Viking island (831 AD, 2 o'clock). It cannot be used anywhere else.