A large 'sea world' attraction is ideal, but an aquarium store can be awesome too!
Lay on your back – on a hill; in a meadow; by a river (if only Mom would let us outside) … or in the sun-room.
Find meaning in the shapes of the clouds. Follow the morphing of the fluff, whips and silhouettes from one form to another.
… different colours – two, three or even five co-ordinating colours makes really happy feet, especially in sandal weather.