I am sorry for off-topic, I am considering about building an instructive site for kids. May probably start with submitting interesting information just like"Butterflies range in size from a tiny 1/8 inch to a huge almost 12 inches."Please let me know if  you know where I can find some related facts such as here
 
http://sjktldgcairo.com.my/?p=237
http://dev.kenyukaina.com/2016/08/07/the-benefits-of-over-the-internet-essay-writing-18/