Fisher-Price Little People Aquarium Visit The dolphin wiggles down the slide, through the hoop and into the tank Press Koby down on the trainer's stand and the "water" in the tank swirls around with the dolphin in it! Put the ball in the tank for the dolphin to perform his tricks Hoop can be positioned in two different places for the dolphin to jump through Includes Aquarium, Little People Koby and dolphin figures, bucket of fish, red ball and hoop