• The GraviTrax starter kit contains more than 125 components to design your own marble track • Allows you to roll several marbles at once to the finish line using magnetic, kinematic, and gravitational principles • Includes the Magnetic Cannon accessory to add dynamism to the tracks • It is the ideal starting point to enter the world of GraviTrax tracks • Innovative and educational game that allows you to learn about gravity, kinetics, and magnetism • Involves children and adults in building custom tracks and paths • STEM construction game that encourages creativity and learning • Possibility to build tracks with different levels of difficulty for more fun • Recommended for children from 8 years old