About our rating system
ON: Content is age-appropriate for kids this age.
PAUSE: Know your child; some content may not be right for some kids.
OFF: Not age-appropriate for kids this age.
Learning ratings
BEST: Really engaging, great learning approach.
GOOD: Pretty engaging, good learning approach.
FAIR: Somewhat engaging, OK learning approach.
NOT FOR LEARNING: Not recommended for learning.

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All teen and kid reviews for The39Clues

Age
7
Average rating based on 8 kid and teen reviews:
  • 63% say it's educational
Kid, 11 years old
September 9, 2010
 
cool
it's a fun website but some of the mission puzzles are hard.

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Kid, 12 years old
September 21, 2011
 
Meh...
It's a pretty fun website. Completely clean, but the games are a bore.

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Kid, 11 years old
July 30, 2010
 
A fun, educational website.
This website is great! It has fun games and the cards are fun to collect.

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Kid, 9 years old
July 29, 2010
 
review of 39
I like it alot

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Kid, 10 years old
June 18, 2010
 

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Kid, 13 years old
November 30, 2009
 
Great Website!
The website is awesome! I love the books too. My teacher has an account on here. I do to.

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Kid, 12 years old
March 9, 2009
 
Great for the people who LOVE the books!
A great website that is fun to do, along with reading the books. I think this is good for kids 7 and up, IF they can do a good amount of reading. For fair readers of 7 or younger have a older sibling or parent to help; or better yet wait a while for them to have better reading skills, so that they can read. Also, there are a lot of stuff that involves the cards and books you have to buy, and some of the later missions get more difficult and stressful.

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Kid, 10 years old
July 14, 2010
 
just starting

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