click on the owl and then the tube and the owl will retrieve it for you.
To get the green tube in Poptropica's Astro Knights Island, you need to visit the castle courtyard and find the robot seahorse in the fountain. Ride the seahorse up to the top of the fountain to retrieve the green tube.
Go to the king and queen and they will tell you.
Green.
When you get in the space shuttle the big green screen on the "dashboard" if you click it then it will tell you where planets are including the fire planet
you have to go to the hole between the bales of hay and tell the owl thingy to get it by clicking the owl and clicking the green thingy
you get the green stuff an dthen put it in
you click on the owl then click the green stick.
No oil on Astro Knights Island. The hovercraft runs on manure, and the crashed saucer Excalibur needs a replacement for its broken green fuel rod. (see the related question)
Go to the guy in the green hood. Talk to him. He will give you the manure.
You have to goto each of the planets and find the knights some of the planets are quite challenging so I suggest you start with the green or red planets the ice one is hard to get into because you have to lure the sharks in to a black hole Well Goodluck with your poptropica adventrue
Click on Merlin (the mechanical owl) and the click on the "green thingy." Bingo! ;D
you have to get out from moreds house and then thier will be a space ship or something like that and then you put the green tub on it and put 53 x and 45 y
When you get a replacement for it, it automatically snaps into place. (see the related question)