Keep Your Brain Active – Challenge yourself and your loved ones with the Official Mensa Brainteasers Trivia game. This card game set includes text and puzzle content you can answer to test your knowledge. Boost your brainpower with this collection of Mensa memory, mind, observation and intelligence puzzles. Prepare to be puzzled - 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 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.