【24 Days Surprise Challenge】The Christmas advent calendar includes 24pcs puzzle toys(8pcs metal wire puzzles, 8pcs mini balance cube maze, 7pcs plastic Lu Ban lock puzzles, final challenge- 1pcs metal 9 linked rings puzzle) . 24 days of countdown calendar for kids, boys, girls. This daily collectible surprise not only increases children's sense of anticipation but also allows them to gradually enjoy the excitement of the countdown to Christmas. 【Brain Teaser Puzzle Game】- The advent calendar set includes 24pcs of various colorful puzzles that have different levels: easy/medium/hard/big challenge. The colors pop and are bright and vibrant. Ideal for enhancing color perception, spatial imagination, and hand-eye coordination for kids, and teens, promoting mind and sensory development. Also a great advent calendar for adults with daily stress relief and anti-anxiety at office, and home. 【Fun Fidget Toys, Autism Sensory Toys】- The quiet fidget toys can effectively help focus attention and promote sensory development, great toys for children, teenagers, and adults with ADD, ADHD, Autism, or Anxiety. Also, a great office desk playset for adults' stress relief and anti-anxiety. Make your daily life funny. 【Advent Calendar Gifts for Kids & Adults】- It is a simple and great gift idea for birthdays, Thanksgiving, Halloween, and Christmas! This puzzle advent calendar is perfect for birthday party favors, piñata stuffers, carnival prizes, goody bags, classroom rewards, STEM, and stocking stuffers. Christmas gift toys for kids 3, 4, 5, 6, 7, 8, 9, 10 years old, and teens. 【Brain Challenge & Logical Training】The brain teaser puzzles are classic thinking games that will enhance concentration, hand eye coordination, and develop one's logical thinking, problem-solving skills. These brain games are an alternative to playing to avoid kids playing electronics all the time. Different levels of difficulty make this puzzle advent calendar a great learning toy for toddlers, and kids, also an advent calendar for teenagers, and adults for relaxing and reducing stress. 2024 Advent Calendar for Kids, Girls, Boys