The initial user testing has provided us with valuable information on improving the prototype. Currently, we are revising the system, initially based on the preliminary user study, before planning to conduct a deployment study in two Thai schools in June 2015. The study will investigate how students interact with the OBSY system and how well it supports learning in science experiments. A research scenario will be formulated to allow students to learn the topic of living and non-living things by observing real-time sensory data and videos/images of growing beans (living things) and rocks (non-living things) through the OBSY system. The observation research method will be conducted with the purpose of understanding how students interact with their friends, teachers and OBSY. Questionnaires and interview sessions will be employed to assess students’ engagement in learning and the usability of the OBSY system. Additionally, the reliability, robustness and userfriendliness of the sensor device, mobile app and local Wi- Fi network will be tested.