There is really no way to get past it, you just have to keep trying.
sorry for not being able to help you.
if you have one piece left, click on a piece that has shown up and keep pressing pieces that have shown up.That is how I did it
get the missing page of mordreds jornal wich is under mordreds bed
mordreds lab is to the left of ye old windmill, between the two hay barrels
56,52
break it
In the museum.(the top floor)
in the upstairs of the museum.
Jk fh ba jobs
to get through Mordred's door, u must figure out the puzzle........ u have to reveal the whole picture. if u still can't figure it out, go on youtube for cheats and type in poptropica astro knights. the first time i got to mordreds door i couldn't figure it out, too
Past.
you go to mordreds secret lab
You need to figure out the puzzle.