This elegantly packaged brain training puzzles collection has an elastic strap making it perfect for puzzling on the go. This wonderful collection of mixed puzzles is a real treat for any puzzling fan, with a variety of puzzle types to try your brain will get a great workout keeping it in tip top condition. • TEST YOUR LOGIC AND PROBLEM SOLVING SKILLS: Have fun putting them to the test and see them improve as you go along! • EXERCISE YOUR BRAIN: Give your mind a great workout as you tackle various different sorts of challenges. • REDUCE STRESS: Feel your stress melt away as you focus on these satisfying puzzles. • OVER 250 PUZZLES AND SOLUTIONS: This bumper book of puzzles will provide hours of entertainment.