Mensa for Kids: 75 Secret Codes (1997) Brand new and factory sealed educational logic game designed to challenge kids with fun, hands-on code-breaking activities. A great way to build critical thinking, pattern recognition, and problem-solving skills. 🧠 Details: • Title: 75 Secret Codes • Brand: Mensa for Kids • Year: 1997 • Type: Educational logic / puzzle game • Format: Activity set (not a book) • Status: Factory Sealed / New Old Stock