In astro-knights, you need to get into the princess's room, by using the rope at the ye old mills. It's near the swamp. You go on top of the castle, where there is an arrow. Aim at the princess's room, shoot, and you should be able to enter by walking on the rope. There is a note from the princess, which tells you that great scientists often seems to hide discoveries under their bed. Go back to Mordred's house, and look under the bed.
Yes. You need to look under Mordred's bed.
Under Mordred's bed in Mordred's House (The museum).
Under the bed in the girl's room
get the page from the princess's room,under her bed and it will say
It is under the bed in the place where you have to pay with the golden coin.
Under the bed! You have to use the fan to blow the dust away
Under C.J.'s bed. Use the fan to blow away the dust, and the thumb drive is there.
After you plug in the fan and turn it on, it will blow away dust from under C.J.'s bed. Turn off the fan and go under her bed to retrieve the hidden thumb drive.
Get into the meuseum.(Get the coin in the fountain.) look under Mordred's bed, then in the library.Then go touch the brick besides the letters circled in the paper that you found under the bed. make sure to get the cheese and pull the lever before you leave.
The planet Poptropica and its nearby Pewter Moon are at X-56 Y-52 in the Poptropica solar system. When you are launching the saucer Excalibur, you will find these coordinates under Mordred's bed, on the missing page from his journal. (see related question)
In the Mordred museum on the second floor.
It's a map.