The GraviTrax Junior - Dino Extension from Ravensburger is an innovative marble run designed specifically for children aged 3 and up. This expansion set offers an exciting way to foster the creativity and logical thinking of young builders. With various elements and dinosaurs as a thematic highlight, children can design their own track layouts while playfully discovering the principles of gravity and kinetics. The individual pieces are designed to be easy to handle and ensure the safety of children. It is important to note that the set contains small parts that may pose a choking hazard, making it unsuitable for children under 36 months. The GraviTrax Junior - Dino Extension is an ideal addition to the GraviTrax base systems and provides endless opportunities for creative play and learning.