The Linex Basic Set for Decimal Arithmetic consists of 121 pieces and provides a comprehensive learning resource for understanding the decimal system. It includes 100 unit cubes in red, 10 ten rods in yellow, 10 hundred flats in green, and one thousand cube in blue. These color-coded components allow learners to visually grasp and manipulate mathematical concepts. The set comes with a guidebook that offers helpful information and instructions for effectively using the materials. Made from washable plastic, the set is both durable and easy to maintain, making it ideal for use in schools or at home. The packaging in a sturdy box ensures safe storage of the pieces. This learning game not only promotes arithmetic and number handling but also supports the development of mathematical skills in a playful manner.