These cards are designed to be used exclusively with the Pocket Learner Workbook which is also available on Amazon (http://amzn.to/2hItPC0). The cards and the workbook together form the core of the multi-award winning innovative Pocket Learner Educational Development System which aims to build vocabulary and develop literacy and numeracy. It is particularly useful for individuals who experience learning difficulties and those who aspire to developing their knowledge in a variety of areas including learning foreign languages. The cards are part of a growing series of learning themes available within the System. The Pocket Learner is especially useful in the education of young children who are in the process of developing language.experience learning difficulty and those who aspire to developing their knowledge in a variety of areas including foreign languages. The Pocket Learner is especially useful in the education of young children who are in the process of developing language.ACT Training Services