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When you enter the underground laboratory, go outside and feed the mouse to the robot owl. He will follow you and can retrieve items. When you enter the cell, the robot invader self-destructs and the vial (fuel rod) is thrown clear. Click Merlin and then click the vial, and he will fly through the bars and get it for you.
What else can I help you with?
How do you get the green thing in the dungeon on Astro Knights Island?
Click on Merlin (the mechanical owl) and the click on the "green thingy." Bingo! ;D
What color is the jungle planet on Astro Knights Island?
Green.
Where is the green stuff on Astro Knights Island?
To power the saucer Excalibur, you need a replacement green fuel rod. There is one inside the robot invader in the dungeon. (see related question)
Where is the battery bar for the flying thing on Astro Knights Island?
You get the replacement green FUEL ROD for the SAUCER Excalibur from the robot invader in the dungeon. (see related question)
What happens to the captured alien on astro knights island?
For some reason, it blows itself up in the dungeon, leaving only its green fuel rod. (see related question)
Where do you get the alien fluid on Astro Knights Island?
The green fuel rod on the Excalibur is broken and needs replacing. There is a rod inside the robot invader in the dungeon. (see related question)
How do you get the spaceship to fly on Astro Knights Island?
you get the green stuff an dthen put it in
Where do you get the rocket fuel on Astro Knights Island?
The crashed saucer Excalibur needs a replacement for the broken green Fuel Rod. You can get one from the robot invader in the dungeon. (see related questions)
In the dungeon on Astro Knights Island can you use the owl to throw the lever to let you out?
No, you use him to retrieve the green fuel rod from the blown-up robot. Click Merlin then click the fuel rod.
Where do you get the manure from on Astro Knights island?
Go to the guy in the green hood. Talk to him. He will give you the manure.
How do you get the green liquid on Astro Knights Island?
The broken container of green liquid is called the "fuel rod" and powers the saucer. The only other device that might contain one if the captured robot in the dungeon.(see solution at related question)
How do you get the green tube for poptropica Astro Knights Island?
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.
