RSI Break Timer™

http://www.niagara.com/~mcarter/rsibreak.htm
RSI Break Timer™ at set intervals it reminds you to get up and move around. It is a great idea to help prevent spending too much time sitting in the same position in front of your PC.

Spinosaurus

http://www.spinosaurus.com.au
Spinosaurus is a spinal health education program for children. It teaches about the structure and function of the spine and emphasises the importance of healthy posture, exercises and injury prevention in the care of the spine.

BBC Human body site

http://www.bbc.co.uk/science/humanbody/body/
This is a great site with interactive fun games to learn how the body is put together, and how it all interacts. Choose from games to do with the organs, muscles, nervous system and skeleton. My personal favourites are the nerves and organ games, although the muscles and skeleton games run a close second. You too can run the senses challenge and discover if you are a supertaster!