Tickly Octopus. Tiddly has eight twisty tentacles and he loves using them to tickle the fish. But when Octopus tickles Oyster and she drops her precious pearl, will Octopus be able to get it back? Clumsy Crab. Nipper hates his huge clumsy claws. But one day, when he is playing with his friends, Nipper finds his claws are very useful after all! Fidgety Fish. Tiddler is always fidgeting, and his mum is fed up! Tiddler swims out into the deep sea, right into a big, dark cave. Will he finally use up all of his energy?