Here is a list of resources that i have used on my website that you can also look up if you have any questions, concerns or if you are just looking for activities or info.
Ages & Stages - fcs.okstate.edu
Pictures Of Preschoolers @ google.com
www.cdc.gov/ncbddd/child/infants.htm
familyfun.go.com
www.enchantedlearning.com/crafts
www.hfrp.org