Here, you can download the UKnow4Kids Live DVD, an educational Linux distribution with a selective compilation of educational and gaming software for children 2- to 10-years-old. Hardware requirements are minimal.
KTurtke and Marble running on UKnow4Kids
TuxPaint running on UKnow4Kids
UKnow4Kids menu for educational applications
UKnow4Kids boots automatically to Gcompris
UKnow4Kids desktop with annotations