Peep Inside a Coral ReefDiscover our planet's precious coral reefs. Peep through holes and under flaps to discover the wonders of a coral reef. Find teeny tiny camouflaged seahorses, an octopus in its den, and a wealth of other creatures that live in this habitat. See how a clownfish looks after its babies, see what comes out on the reef at night and learn what coral really is. A great introduction to this beautiful, endangered ecosystem.