This paper describes a tabletop teaching simulation system to help pre-service teachers create and revise their lesson plans from the perspective of learners in a school classroom. Pre-service teachers collaboratively simulate possible lectures on the tabletop, imagining various voices of learners and using puppets attached with AR markers. The simulations can be recorded, enabling pre-service teachers to consider in depth improvements to the lesson plan, as well as being used for careful review after the simulation. ? ISLS.