Warming up before a workout helps to activate your central nervous system and to maximize your performance. The improvement in blood and oxygen circulation and the increase in body temperature helps to prepare the muscles for more strenuous activities.
It's really easy and fun to use; I'm currently using it to learn Spanish. They have an iPhone app as well, and they have even more languages to learn (for free!) than are listed above. I highly recommend it.
This beautiful little fairy lantern is made from a frosted pint jar. Your fairy is sitting inside showing off her pretty silhouette. A lovely addition to your fairy collection, or brighten up a child's room!