Even more action with the Vertical Cannon element. This action element makes it possible to overcome spectacular differences in altitude. Experience a new dimension of marble run action with the Vertical Cannon. This element overcomes differences in altitude spectacularly. A strong magnet creates an exciting chain reaction: as soon as a ball rolls in at the lowest level, it triggers another ball that continues to roll at an impressive height. Combined with any GraviTrax starter set, the Vertical Cannon brings action to the track and playfully shows the laws of physics. Particularities the versatile elements allow a playful entry into the GraviTrax universe and offer plenty of room for creativity and free building The GraviTrax Element Vertical Cannon magically transports balls vertically upwards after the element has been loaded with 3 balls, the fourth ball shoots upwards, bringing new energy and speed to the track the Vertical Cannon element not only transports the balls to the top in an action-packed way, it also contains 3 silver balls and 1 red ball