http://www.fisher-price.com/us/fun/games/phonics/default.asp
http://www.netrover.com/~jjrose/abc/abc1/alpha2.htm
http://www.haelmedia.com/html/og_pk_001.html
alphabetical ordering
http://www.haelmedia.com/html/mc_pk_002.html
reading cvc words
http://www.haelmedia.com/html/mc_pk_002.html
rhyming words concentration
