From the creators of hexbug aquabot fish are a fantastic introduction to the world of robotics as their inner workings are visible through their translucent bodies both mesmerising and fascinating to watch the fish will sleep after 5 minutes of swimming to save power but can be quickly woken up by tapping the side of the tank the tank comes with one robotic led fish hammerhead or angelfish colours vary and additional led fish can be purchased separately there is also the mean glow in