The ARICESA model was designed to improve learning motivation and understanding of student concepts. This study aims to develop a valid, practical, and effective ARICESA model to improve learning motivation and conceptual understanding of science teacher pre-service elementary school. The model was developed using the Plomp design with a preliminary study, prototyping, and assessment stages. The trial subjects were 34 students who programmed the Basic Concept of Elementary Science course. The trial was conducted using one-group pre-test and post-test design. A descriptive statistical analysis was used to determine the validity and practicality of the model, as well as inferential statistical analysis to determine the effectiveness of the learning model. The results showed that the ARICESA model: 1) was valid based on review of content and construct validity, and supported by valid learning materials, 2) practically used in learning as shown by excellent lecturer and student activities, 3) effective in improving the learning motivation by means of N-gain 0.65 and improving the conceptual understanding by means of N-gain 0.72 to 0.76 for each topic. The implementation of the ARICESA model needs to be expanded for greater support of the practicality and effectiveness.