Progressive Difficulty Puzzle Game Cognitive Skill Builder Screenless Stress Relief Portable Travel Mind Teaser Toy for Adults

Compact and lightweight mental games are your ideal travel companions! Easy to carry, enjoy the fun of gaming. Requires 3pcs AA batteries (not included 400+ increasingly challenging gear, helps to exercise thinking, problem-solving skills, and cognitive abilities Great for children over 6 years old, whether it is birthdays, Christmas, Easter or other occasions Easy to learn and suitable for almost all age groups, even beginners do not need to worry and enjoy the fun of game Suitable for both children and adults, especially for individuals with anxious disorders, Platforms: Not Machine Specific