Food product company Meito is selling 60-cm-long stuffed tuna and 3-meter-long kelp to educate children. These are life-size and the tuna can be filleted into five pieces.
The MEITO official website says children may be surprised at the size of tuna and that they make take a greater interest in marine life.
Price: 12,075 yen
Source: Hatena Bookmark, MEITO