Count down the days before Christmas with the 36001 Advent Calendar 2022. Day by day, each door features a BRIO toy that is compatible with the BRIO World railway system. As your child grows, so can their railway play as this toy is compatible to other BRIO World railway vehicles and wagons via magnet connections. Real-life based railway play helps children to understand and learn about their environment in a fun way, whilst also developing fine motor skills.For children aged 3+.