Keep Your Brain Active Test your intellect with this collection of exceptionally tricky Mensa logic, lateral thinking, reasoning and intelligence puzzles.Join The High IQ Society - Whether you want to learn more or just want to have fun, this Mensa card game is for you. Each riddle game card box pack contains 50 double-sided game cards featuring visual, logic and number puzzles.Convenient to Carry and Use - Solve a variety of puzzles anytime, anywhere. You can easily bring these cards along for family fun time and answer these questions by yourself or with loved ones.A Brilliant Friends and Family Gift - Express your appreciation for anyone who's into puzzles by giving them this family cards set. Include it in your list of card game trivia gifts for family and friends.Family Card Game for Teens and Adults - Try something new for your next party games or fun games for family game night. Our fun and educational question cards are suitable for anyone age 14 and up.