Changes

Currently user testing turtleart and Sliderule

Currently user testing turtleart and Sliderule

== Preschool student Activities==

== Preschool student Activities, some links==

Radia Perlman in the 70s when at student at MIT did extensive experiments with preliterate children and the LOGO turtle and built a number of interfaces for them. She also spent some time at Xerox PARC and did many similar experiments with chldren 3 years on up.

Radia Perlman in the 70s when at student at MIT did extensive experiments with preliterate children and the LOGO turtle and built a number of interfaces for them. She also spent some time at Xerox PARC and did many similar experiments with chldren 3 years on up.

http://www.formatex.org/micte2006/virtual/pdf/582.pdf

http://www.formatex.org/micte2006/virtual/pdf/582.pdf