This GEOlino Advent calendar for children aged 8 and up offers 24 exciting experiments for the Christmas season and helps to learn and explore the fundamentals of natural sciences in a playful way. Each experiment is designed to be completed in about 10 minutes and can use common household items. The set consists of 24 eco-friendly cardboard gift boxes, accessories for the experiments, and a detailed companion book with background information and images. The Advent calendar aims to introduce and understand topics in chemistry, biology, and physics through play and fun.