Science meets creativity with the GraviTrax Speed Set. With a variety of gravity-based elements, kids can create high-speed, marble run racetracks. This construction set features all the components from the GraviTrax Starter Set, elements from the Bridges and Tunnels expansions, plus 4 additional accessories, including the Magnetic Cannon, Flip, Loop and Spiral. Experiment and problem solve by utilizing different elements to send the marbles from start to finish. Once the basics have been mastered, simply add more marbles and elements to the designs to create more advanced tracks and endless possibilities. 8 years +
