Stix Creative Cards from Oppi are a perfect complement for Stix. This set offers 24 models (of three levels of difficulty, from Easy to Hard level). It helps children to realize how much they can achieve with Stix, teach them to follow a simple instruction, to sort and count the parts needed for each construction, to develop their visual-spatial ability and their fine motor skills. These cards can be used by children as a complete exercise or a starting point to giving free rein to their imagination, inventing their own new models.