Gravitrax loop

The Gravitrax loop is a fun and exciting way to expand your Gravitrax starter set! Send the ball through the loop! With the loop, you can turn the world upside down in an instant. Combine the loop with the GraviTrax® starter kit for even more action and excitement. How fast does the marble need to go through the loop? - Includes: instructions, 1 action loop section, 1 long track, 2 medium tracks, 3 short tracks - Can only be played with the GraviTrax® starter set - Warning. Not suitable for children under 3 years old