Turquoise Jelly Fish: HEXBUG AquaBot Series + 1 FREE Official HexBug Nano Bundle ONE FREE pack of official HexBug Nano is bundled with this item. If you return this item, the HexBug Nano must be returned. Loaded with smart fish technology, this new Jellyfish will amp up the action of your robotic aquarium with its vibrant inner glow and 15 pre-programmed swimming routines Watch as the Jellyfish uses its 18 tentacles and mighty engine to spin and swim gracefully as it explores its new home Buoyancy adjustments allow the Jellyfish to dive deeper Includes wake-up sensor. For ages 3+.