IQ Test, IQ Games for Kids Toddler

Good samples
http://www.ixl.com/math/grades

http://www.syvum.com/iq/
http://www.syvum.com/cgi/online/serve.cgi/iq/ar_oddo1.html?question_hide

http://www.iq-test-for-kids.com/kids-iq-test.php

http://www.iqtest-center.com/questions.php

http://www.coolmath4kids.com/

http://www.seenandshared.com/leap-frog.html
ans : http://www.sonnyradio.com/leapfrogsolution.htm

Others :
http://www.learn-your-iq.com/