One of the key indicators of quality in education is the level of engagement of children. This 'intrinsically motivated intense mental activity' or involvement can be regarded as a direct measure of the 'power of the learning environment we provide'. This training pack consists of 24 clips video-taped in a variety of early years settings in the U.K. (Kent). It is designed for practitioners, advisers and researchers to become confident and reliable observers of the levels of involvement in children between 0 to 6 years of age. These levels provide a solid ground to identify where, when, how and for which children the quality of our approach can be improved