When choosing Warhammer models, there are a few key considerations to be aware of. Firstly, the type of model should be considered. These models come in a range of shapes, sizes, and types, such as infantry, tanks, artillery, aircraft, and ships. 

Secondly, the size of the model should be considered. Warhammer models come in a variety of scales, ranging from small for skirmish battles, to larger models for larger battles. Warhammer models offer a unique and captivating way to experience the universe of the fantasy game.

Thirdly, the cost of the model should be taken into account. Models can range in price from a few pounds to several hundred pounds. It is important to choose a model that is within the budget available. 

Finally, the model should be chosen based on the desired look and feel. These models come in a range of styles, from fantasy to sci-fi, and from historical to modern. It is important to choose a model that fits the desired aesthetic. 

In conclusion, when choosing Warhammer models, it is important to consider the type of model, the size, the cost, and the desired aesthetic. By taking into account these key considerations, it is possible to find the perfect model that meets all the requirements.