An activity or experience is age appropriate if it does not exceed a child's stage of development. Lack of exposure to age appropriate activities and experiences may prevent a child from gaining the skills necessary for their current and thus their next stage of development. This article or section does not cite its references or sources. ...

For example, clapping games are appropriate for children age 24 months and above because of the required communication skills and coordination. Biting is appropriate for children 2.5 years and below since they lack the skills and self control to communicate otherwise. This article or section seems to contain too many examples (or of a poor quality) for an encyclopedia entry. ... As they grow, most (all?) living creatures instinctively evolve communication skills or strategies to try to fill their needs from other creatures. ... Explain the dystonias connected with motor coordination. ... A bite is a wound received from the mouth (and in particular, the teeth) of an animal. ...