One GB storage unit Number of software cartridges that can be stored: 22 Size: Approximately 63mm x 230mm x 25mm Compatible software: Game Boy, Game Boy Color, Game Boy Advance Custom orders available GB storage, DS storage 1 unit: 1000 yen 2 units: 1900 yen 3 units: 2700 yen 4 units: 3400 yen 5 units: 4000 yen In the comment section, for example, write "Please list GB_3 units and DS_2 units" and we will create a dedicated listing for a total of 5 units for 4000 yen. This is handmade using a 3D printer, and we will list the product after confirming that there are no problems with the finished product. Therefore, please understand that custom orders may take time.