After you have returned all the items to their own times, all the places on the time device will be GREEN. Use the LAB setting to return to the present, and the Future device to bring you to the restored future time.
To get to your Sky Home, go right (and swim) until you reach the air tube. Go up to the monorail and get aboard. Use the monorail exhaust to lift you out of the car and onto the other monorail car. When you reach the lift platform, take it up to the roof home. That is where you get your Island Medallion.
you find your self in the future(seconed time)
On your first visit using the future machine, you get the time device from your future self, so that you can restore the items that are tangled in time. When you finish and get the Island Medallion, you still have the device. Set it to "Lab" and go back to Professor Pendulum's lab.
You have to go back through the Future machine to reach your future self in the repaired timeline. Make your way to "your" sky home in 2059. This is where you get your medallion, from your "future self". (see the related solution question)
Complete all the challenges on Time Tangled Island. Complete all the challenges on Time Tangled 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.
nothing you just leave it alone, when you talk to your future self that person should shoo it away
Once you have returned all the items on Time Tangled Island, the dial of the time device will be all green and the Lab part will flash. Select "Lab" (12 o'clock) and return to the present. Use the future machine again to go to the restored future. Use the lift and the monorail fans to get to the upper level, where your future self will give you the Island Medallion. (use the time device Lab setting again to leave the island)
in the time machine go to the future and make your way to the top left and you will find your future self but the future is better. talk to your future self and you will get the medallion
Your Sky Home is in the restored future. Once you have returned all the items on Time Tangled Island, the dial of the time device will be all green and the Lab part will flash. Select "Lab" (12 o'clock) and return to the present. Use the future machine again to go to the restored future. Use the lift and the monorail fans to get to the upper level, where your future self will give you the Island Medallion. (use the time device Lab setting again to leave the island)
You use the Future Machine in Professor Pendulum's Lab to travel to the future, The first time you get your time device from your future self. The second time, once you have restored all 11 of the items (time device is all green), you will receive the Island Medallion from "yourself" at your skyscraper "sky home". (see related question)
Use the Lab setting on the time device, just as you did to get to the restored future.
As you repair the times on Time Tangled islands, they will show as GREEN on the device. When all 11 times are repaired, they will all be green and the LAB button will flash. Now you select Lab, and you return to the present (outside Professor Pendulum's lab). Use the Future Machine to visit the restored future, and get the island medallion from your future self. (see related question)