GraviTrax - PRO Action Pack Helix 婴童玩具 # of Challengesz: 120

# of Challengesz: 120

or a date with some salted caramel ice cream on a sunny patio—the Adventure Hat has you covered

Gasket: Silicone

●When you press the melody button

GraviTrax - PRO Action Pack Helix 婴童玩具 # of Challengesz: 120Even more building fun can be experienced with the helix criss cross, topsy turvy! Up to six routes can cross with the Helix. If a ball leaves the stone, it rolls on to a lower level without changing its direction. This means that up to six balls can pass the stone at the same time. Combined with a starter set, more complex tracks can be built without the balls blocking on their way to the finish. How many balls can pass through the helix in one go?