https://www.youtube.com/watch?v=eHB4chltlrY

http://familyfitness.about.com/od/preschoolers/a/grossmotorskill.htm

http://www.getreadytoread.org/early-learning-childhood-basics/early-childhood/understanding-physical-development-in-preschoolers

http://www.nemours.org/content/dam/nemours/www/filebox/service/preventive/nhps/paguidelines.pdf

https://www.youtube.com/watch?v=yuVkkhpiHTA

http://www.ehow.com/how-does_5476948_do-bright-colors-appeal-kids.html

https://www.youtube.com/watch?v=NotBLpMldYE

http://activeforlife.com/physical-literacy-checklist-4-6-years/

http://www.education.vic.gov.au/Documents/school/teachers/teachingresources/social/physed/fmsteacher.pdf