- This is a book of new fast, fun activities that require little or no set-up to boost the energy, openness and focus of students (and teachers) that promote a positive and focused classroom atmosphere. This practical book of 101 tried and tested activities will boost performance levels in the classroom by tapping into the secrets of invisible teaching. Easy to follow and deliver, the activities personalise learning, encourage creativity, inspire students, develop emotional intelligence and better communication, build rapport and support effective classroom management and ignite a passion for learning.