When you enter the British Museum virtual site, they have a timeline so students can get a visual feel for where in history they are visiting.
The color coded regions are divided into:
On the right a menu allows you to narrow your the search of their materials by:
Audio is included!!!! When you select an item from the time line it appears in a static image. You may hear the audio file, view the map for the original location of the object, and view related objects.