this is great, actual useful content with great illustrations. It's refreshing to see something with some practical use.

Growing up I remember being obsessed with this: DK The Way Things Work. it was an amazing mac CD ROM with illustrations of everyday things broken down, with moving parts and all...

Probably one of the reason i became an engineer.

http://en.wikipedia.org/wiki/The_Way_Things_Work

http://www.amazon.com/Things-Work-CD-ROM-Version-1-0-mac/dp/...

Horrible Youtube video ( best i could find... ) https://www.youtube.com/watch?v=f4MIVU5i_xE

Cannot recommend it enough for kids. They don't make em like they used to :D