1. Theoretical Aspects of Learning Environments.- Knowledge Representation and the Learning Process: Taking Account of Developmental Features and Support Features in Interactive Learning Environments.- Reasoning Involved in Control Technology.- Cognitive Spectacles.- Language Control Language: Control Microworlds of the Mind.- What Role Is There for Control Technology in Learning with Computational Expressive Media?.- 2. Experiments and Case Studies.- 2.1. Course Contents.- Robotics and Telecommunication (Experience of the Ecole Active de Malagnou in Geneva Within the Framework of a Computerized Educational Environment).- Could the Robotics/Control Technology Be an Interdisciplinary Tool in School?.- Control Technology and the Creative Thinking Process for Teachers and Students.- 2.2. Methodology.- Integrating the Use of LEGO-LOGO into the Curriculum of a Primary School: A Case Study.- An Aesthetic of Learning Environment Design.- Situation Graphs as Tools for Ordering of Students’ Thinking and Understanding of Actual Existing Servo Mechanisms.- Problems Associated with Getting Control Technology Working in Schools.- Promoting Active Learning: A Pragmatic Approach.- Workshops and Discussion about Educational Situations.- 2.3. The Teacher’s Role.- Educational Uses of Control Technology.- Measuring some Cognitive Effects of Using Control Technology.- 3. Tools Developed for Control Technology.- 3.1. State of the Art.- Workshops.- Hands-on Control Technology with New LEGO Dacta Tools.- 3.2. Future Trends.- A New Development of Control Technology.- A Data Acquisition System in a Learning Environment.- Concurrent Control for Children.- Learning Mode in the Exploration of Parallelism in Pedagogical Robotics.- ActNet-A Heterogeneous Network of Actors for Learning ofParallelism, Communication, and Synchronization.