In my opinion, there are four important points in kids’ education that can be labelled “3W1H”. First is the concept of "time window" (When). This critical period refers to the period in one’s life extending from about age two to puberty. During this period the human brain is most ready to acquire a particular language and language learning can proceed easily, swiftly, and without explicit instruction. It coincides with the process of brain lateralization. Secondly, parents are always the best teachers (Who). Thirdly, games are the best way of learning (How). Only if learning becomes more entertaining and contents are put into some small games will children learn happily, willingly, and actively. Last but not least, nature is the best learning environment (Where). Never can a place be compared with nature. Take kids out into nature for a walk to enrich their knowlodge and inspire their curiosity.