Brain Teaser Advent Calendar 2025. A dozen metal disentanglement puzzles tease your brain while you count down to christmas with this enigmatic advent calendar. You can choose to make your puzzle advent calendar match your seasonal home décor or your favorite holiday scene:
Count down the 12 days to christmas and challenge your mind at the same time with this cool new 12 days of brainteaser puzzles advent calendar. Give your mind a workout.