Ideal for children and adults aged from 8 to 99 years old STEM Toy - This innovative STEM toy encourages children to explore science, technology, engineering and maths, while having fun and developing their creativity and imagination Learn about gravity, magnetism, kinetic energy and fun. Experience the power of gravity! GraviTrax is the all-new STEM track system from Ravensburger! Use your imagination to build superb tracks and set the gravity spheres rolling! Freestyle with your own track design or use the tasks and blueprints included to help you to get started in the world of GraviTrax! Are the gravity spheres stopping or flying off before reaching the end target? Time for some problem-solving! Rebuild and try something different! The GraviTrax track system can be extended indefinitely with extra track packs and add-onseach sold separately. The starter set comes with over 100 components and offers everything you need to get started right away - a pack full of endless possibi