The Logo Workshop is designed to teach kids the basics of computer programming through a series of hands-on activities using a language called Logo.
An ambitious, but useful starting point.
"Juliet Robertson is an education consultant specializing in learning outdoors. She also provides outdoor learning and play training and can visit schools to advise directly."
An excellent blog.
"Magic squares received their name because there are so many relationships between the sums of the numbers filling the squares. "
Comprehensive site for Magic Squares