This document is filled with suggestions for inexpensive teacher-made classroom aids that can be used for concept reinforcement with the total class, a small group, or individual students. The games and teaching aids provided, allow instructors to provide the motivational drill to develop speed and accuracy for basic computational skills. The material is divided into the following major areas: Sets; Numbers-Numeration; Computation-Whole Numbers; Fractions-Decimals; Geometry; Measurement; Laboratory; Universal; and Step-A-Set Games. Several of these areas are further subdivided into more precise specifications. All games and teaching aids are alphabetically listed within each subdivision, if applicable, or within the major area heading. It is felt each listed game can be adapted to reinforce different concepts through merely changing the game board problem cards.