This is a Takara LSI game "Mutant Turtles Electronic Organizer" that I bought about 30 years ago. It's a product that combines a battle game and an electronic organizer. When I put in batteries, the dictionary at the bottom reacted on the LCD, but the game part at the top didn't start. Retro Heisei era TMNT Teenage Mutant Ninja Turtles Leonardo, Raphael, Donatello, Michelangelo 6690