http://www.clker.com/clipart-14528.html

http://www.google.ca/imgres?q=infant+crawling&um=1&hl=en&biw=1024&bih=559&tbm=isch&tbnid=Iov0GlSOFAGXHM:&imgrefurl=http://www.babydevelopmentnews.com/whendobabystartcrawling.html&docid=opTlkrcCTHK9dM&imgurl=http://www.babydevelopmentnews.com/image-files/crawl-ball.jpg&w=265&h=185&ei=QTOKT6a6Aezq0QGMxNz0CQ&zoom=1&iact=rc&dur=358&sig=103987319051167412736&page=2&tbnh=145&tbnw=208&start=18&ndsp=14&ved=1t:429,r:1,s:18,i:110&tx=124&ty=88

http://www.google.ca/imgres?q=infant+crawling&start=235&um=1&hl=en&biw=1024&bih=559&tbm=isch&tbnid=0p-3xE7AwJLqCM:&imgrefurl=http://www.pregnancyandbaby.com/baby/articles/945827/baby-milestones-when-should-baby-sit-up-crawl-walk-talk&docid=-813DjlGFd6hWM&imgurl=http://cdn.womensunitedonline.com/articles/2010/07/baby-standing.jpg&w=284&h=423&ei=qzOKT5SwM6Tm0QGh7dX5CQ&zoom=1&iact=hc&vpx=488&vpy=95&dur=52&hovh=274&hovw=184&tx=89&ty=119&sig=103987319051167412736&page=18&tbnh=159&tbnw=102&ndsp=14&ved=1t:429,r:11,s:235,i:127

http://www.blankees.com/baby/speech/lan04.htm

http://www.google.ca/imgres?q=12-18+month+milestones&um=1&hl=en&biw=1024&bih=559&tbm=isch&tbnid=WuGnxd_wICMD9M:&imgrefurl=http://www.parents.com/toddlers-preschoolers/development/12-18-months-activities-for-cognitive-development/&docid=nLLBH6ucist9-M&imgurl=http://images.meredith.com/parents/images/2009/12/ss_101511777.jpg&w=300&h=300&ei=kGGLT_rSOcbr0gGuhsjaCQ&zoom=1&iact=hc&vpx=752&vpy=199&dur=314&hovh=225&hovw=225&tx=179&ty=146&sig=103987319051167412736&page=3&tbnh=173&tbnw=179&start=35&ndsp=13&ved=1t:429,r:12,s:35,i:172