The brief theoretical introduction provides the fundamentals of a holistic memory training approach, guidance on designing training sessions, and knowledge about the brain, memory, and learning. The focus is on the 100 practical worksheets, which serve as templates for individual and group activities in senior care and other facilities. The exercises include cognitive tasks related to perception, attention, logic, language, memory retention, as well as coordination and motor skills. They sustainably support brain functions, enhance cognitive flexibility, and promote problem-solving. The topics of the tasks are diverse and cater to a wide range of interests. The training contributes positively to cognitive abilities and quality of life. Additionally, the exercises are offered in three different levels of difficulty, suitable for mentally agile individuals.