Froebel creates therapeutic and educational toys according to the characteristics that infants like to play, so that children can know the characteristics of things in free play. This set of teaching AIDS is continuous in appearance from simple to complex. Through the decomposition and combination of geometric basic figures such as points, lines, surfaces and solid figures, the concept of mathematical principles is easy to understand; Through the classification, arrangement, combination and decomposition of various graphics, we can improve our attention, imagination, morality and thinking ability, and cultivate our creative ability, that is, we can make various ideas with various shapes of graphics (that is, the physical form that children want to make themselves). After finding out the characteristics of these objects, we either pile them up or disassemble them. Through the process of repeated combination and decomposition, we can understand the relationship between the whole and the parts, and gain new imagination and methods in the failure of repeated production. This is a systematic educational project. Children can not only play happily, but also stimulate their spontaneity, gain knowledge of quantity and nature of things, cultivate multilingual ability and stabilize their emotions.

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Educate children from an early age to live hard. The baby's sensory activity and physical activity are the initial activities, games,

Pushing building blocks and modeling are the first flowers of children's production activities.

Foucault advocated that children should concentrate at least one hour a day on production activities such as teaching aid operation.

Accumulate experience from learning and gain growth, instead of learning so-called professional knowledge by rote.