Pull back with mouse and release or set at correct angle and release
30 degrees 90 percent
The 39 Clues is a mystery book, but it does have a small degree of fantasy. The formula they are building is supposed to enhance a person's abilities to a superhuman degree.
The angle has to be 30 degrees and the force has to be 90 percent.
It means that 29 of the 39 clues are currently available.
They only have 39 clues.
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Online, the second clue in the 39 clues is hydrogen. But in the second book of the 39 clues is tungsten
There is no misssion 12 in the 39 clues.
There's only 39 clues!!
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.
no cheating in the 39 clues!
There is no cheat in any games in the 39 clues.