A carton serving as a package for a Transformable Pyramid, which is a built-up type intellectual teaching aid, is produced from a cardboard divided into two groups of four right triangular faces for folding into first and second pyramidal parts, respectively. The connector also has a housing with terminal accommodating chambers arranged side-by-side in an arranging direction for receiving the terminal fittings. Also included is generating structures for storing, organizing, and managing dynamic objects for retrieval and presentation.