This paper proposes an interaction educational computer game framework that currently use hand gesture recognition to accomplish the interaction. The objective of the framework is to ease the game development so that developers can easily use it to produce educational computer games for end-users. By using the hand gesture, the game players (targeting preschool children) can have both body action and mind activity in synergy during playing games. Thus, they can have the better learning fruit and body-mind coordination development. In building t...