Research pertaining to science museum exhibit design tends to be articulated at a level of generality that makes it difficult to apply in practice. To address this issue, the present study used a design-based research approach to understand the educational potential of a biology exhibit. The exhibit was considered an educational environment which embodied a certain body of biological knowledge (Biological Organisation) in a certain exhibit type (Museographic Organisation) with the intention of creating certain learning outcomes among visitors. The notion of praxeology was used to model