go to the castle library and the is monk there go past the monk to the end and there will be a book click on it and you will have the book for later on then go to the floor below you and there will be a book on the stand then go to the section m and click on it there is another a switch in the dongen click on it
it is in the dungen cell.
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.
put the radioactive tube and replace it with the other jacked up radioactive tube
You can get a replacement for the broken green fuel rod by getting the one that powers the robot invader in the castle dungeon. You can only get one rod, so you need closer coordinates than the planets the other knights went to. (see related questions)
you click on the owl then cklick on the green tube and the owl will bring it
There are no bird eggs in astro knights island.
You do not get or use a bucket on Astro Knights Island.
There is no treasure chest on Astro Knights Island.
no there is not a cheat to get past the dragon on astro knights
The fuel rod powers the saucer Excalibur. The hovercraft runs on manure.
There's a lock under the hay in Astro Knights
When you get a replacement for it, it automatically snaps into place. (see the related question)