puzzles

Hi!
Something that I find very fun to teach kids are the puzzles, because it is a good way to learn while having fun. Here we will annex a link educational puzzles that you can see. It is in Spanish, but I suppose it you could find in English, ha!.
Sorry for may bad english lol
Greetings.

sorry I forgot lol .
http://www.indicedepaginas.com/puz_circulatorio.html

yes it would be nice if have english education puzzles.

I found an english free online jigsaw puzzles but mosty pictures not educational:

http://puzzles.about.com/gi/dynamic/offsite.htm?zi=1/XJ/WP&sdn=puzzles&cdn=hobbies&tm=9&gps=63_25_1676_852&f=00&tt=33&bt=1&bts=0&zu=http%3A//www.teacherhelp.org/jigsaw_puzzles.htm

but still fun for the brain to move around the pieces on the PC