With a gentle push of the compression tank cover, send the RoboDiver down to feed your Sea-Monkeys. Or for a bit of extra fun try landing the diver on the white landing zone. Includes tank with the magical Robo-Diver Compression Tank Top and Aero-vent™ cover with magnifier, pouches (Water Purifier, Instant Live Eggs, Growth Food), Calibrated Feeding Spoon, Aqua-Leash™, Pipette, and instructions. Sea-Monkeys are guaranteed to hatch and live for two years. Grades 1 and up