This paper introduces a simulation generator for dual-card, kanban-controlled flow shops. Modelling kanban-controlled, pull manufacturing systems is a challenging task. The simulation generator eliminates modelling and the coding stages of simulation analysis and generates codes in SIMAN simulation language. An easy to use data-driven environment allows users to develop, edit, save and execute models without requiring any programming skills. The simulation generator is capable of simulating multi-product, multi-stage flow shops with multiple kanban cards (withdrawal and production order kanbans) and variable container sizes.