A "journal" could refer to almost any periodical publication. This is impossible to answer without more specifics, as a "journal" loosely defined could be aimed at any age group.
13-20
9-12 I think am not so sure.
3-7
Early teens such as 13-15
According to the manufacturer's website, and many other websites which specialize in toy review, the Matchbox Cars are aimed for children older than the age of 3.
To all age groups, depending on what they selling. Different products are aimed at different age groups. As we come nearer to Christmas advertisers are now doing a lot of advertising aimed at children.
For all ages, just make sure you get the right games that are in the right age group of the player.
The target age group of a Huevo cartoon is typically between the age ranges of 5 to 40. They are used in the Spanish community for advertisements and have recently extended to feature films.
The Wiggles are a children's music group from Australia. The general age range is between 4 and 12 years old.
The Lego Batman games are aimed at children from six to twelve. However, these games are easily enjoyed by older or younger children and adults alike.
The magazine called "Your Big Backyard" is primarily aimed at children aged from 3 to 7 years old. It is concerned with wildlife, nature.and conservation.
Leapfrog Fridge Farm Set is aimed at those between the ages of one and five. However due to the small parts and potential choking hazard it is not really recommended to those under the age of three.