Take a journey to the bottom of the sea with this awesome "underwater" railway! Watch the sea creatures "dance" and the water flow as the train passes by. This set includes six ocean-themed curved tracks six regular curved tracks, a railways crossing and two train cars.Crossing contains three sea-creature discs that are attracted to magnets in the carriage couplings. As the discs move, the surrounding beads are pushed around, giving the impression of water flowing.