Hugo Witsel
World Cleanup Day Haarlem
On September 16th Ximedes joined the worldwide effort in making the world a better place, ...
Ximedes at School (Part 2)
Explain it to me like I am a 4th grader - Programming Lessons for grades 3 and 4. ...
Ximedes op School (Deel 2)
Programmeerles voor groep 5 en 6 (English version)
Ximedes at School
Programmeerles op school, groep 3 en 4. (English version)
Ximedes at School
Programming at school, grade 3 and 4. (Nederlandse versie)