This document discusses the rationale and history of educational board games. It explains that board games are a familiar medium that facilitate face-to-face interaction and capable of a range of learning outcomes. The earliest known board game is Senet, which dates back to 3300 BCE in ancient Egypt. Board games are categorized as linear movement games, 2D pattern games, battlefield games, and combination games. Examples of different game structures that can align with educational content are provided, such as movement through space/time matching a race game structure or obstacles matching blockages in a race game path. The design process for educational board games is outlined.