You have to solve the magic boxes,and solve the cairn.
To unlock mission 7 on 39 Clues, you need to complete the previous missions in order. Make sure to follow the storyline and successfully finish each mission to progress to the next one. Keep solving the clues and challenges to advance in the game.
mission 7 39 clues answer for here lies b. fore e . fines
There is no cheat in any mission in any 39 clues game!
arctic
yep
On a bookshelf at the top
At step 11, just put the hook at 39 degrees and 28%. On step 5, fit the pieces together. At step 7, the answer is his tomb.
Boxes on Beechey Isle
Arctic is the code you have to type in.
good
456
Near the bookcase on the right.