Teaching scientific writing in biology classes is challenging for both students and instructors. This article offers and reviews several useful "toolkit" items that improve student writing. These include sentence and paper-length templates, funnelling and compartmentalisation, and preparing compendiums of corrections. In addition, students benefit from reviewing scientific figures and learning about the verbs used in scientific papers. The approaches and exercises presented in this paper empower students in their development of a personal writing style. Often, however, the best tools are those that students develop with each other, a method of tool building addressed in this article.