http://www.amazon.com/dp/B00CYSFLPA/ Sinus Infection Remedies - There are a lot of ways child can acquire a stuffed nose. Be prepared and try making use of a nasal aspirator to clear child's mucous so they can take a breath appropriately once again.
http://youtu.be/hjIH9mB63ME
http://edueuropa.org/nasal-congestion-2/