Mind Melds Fun Brain Games for Adults and Kids Volume 1 - World Edition has over 295 mind-expanding challenges. Enjoy brain teasers, logic puzzles including logic squares, visual and word puzzles. Make your way through logic puzzles, math puzzles, crack a phone spy code and solve some license plate riddles. Perfect for kids, adults and grandparents. Includes a skill level key that makes solving these puzzles more interesting and challenging. Pick your level depending on who you are playing with and have fun.