A portfolio is a collection of documents that show different realizations of a person (personal, academic, professional) or of an organization, selected and organized in a reflexive way and presented in digital format: text, images, animations, simulations, audio and video. It allows the teacher to objectively document the student's work and facilitate its objective evaluation. The basic components are: specific objectives, are developed for a specific task, contains evidence of the work done and includes personal reflections about the evidence incorporated. Portfolios are a popular and effective way of motivating young learners, providing a fun way to review language and helping them to reflect on their own objectives, ways of learning and success. There are many advantages for teachers and learners.