In this product of the Bia and Kiko collection children will enjoy scenarios and idyllic contexts where the small challenges arise articulated with the different concepts of mathematics. It is intended, with the diversity of activities presented, to influence how children will build their relationship with mathematics, and thus create the taste and curiosity for this area.
 
With Bia and Kiko children develop the following themes:

- Ranking;
- Ordination;
- Seriación;
- Spatial orientation;
- Recognition of opposites;
- Recognition, comparison and designation of geometric figures;
- Notion of number;
- Recognition and establishment of relationships and predictions - standards;
- Logical reasoning;
- Score;
- Correspondence to quantities or figures;
- Among others.