During 2007 Gordana Sokol and I created online educational materials (course) for learning programming in programming language Logo. Those materials contain themes from school curriculum of Informatics for grades 5 and 6.
Programming language Logo is chosen for its simplicity for use and pertinence for children.
Course is available on "Nikola Tesla" Croatian national portal for distance learning and Moodle. You can view webct version on webct.os.carnet.hr, use username and password gost3.