Before revision: Informal learning Informal learning is less structured than "non-formal learning".
After revision: Series overview of Happy Educational Kids| color1 = FFO65| link1 = Series 1 | episodes1 = 20| start1 =| color2 = FF081| link2 = Series 2|episodes2 = 19| start2 =| color3 = FF039| link3 = Series 3| episodes3 = 40|start3 = | end3 =| color4 = FF035|link4 = Series 4| episodes4 = 40| start4 = | end4 =| color5 = FF045| link5 = Series 5| episodes5 = 45| start5 = | end5 =Informal learning Informal learning is less structured than "non-formal learning".