background beach broken clam cockle-shell debris decease fragments marine mud flat mussel mussle ornaments part pieces sand sea seashell sediments shard shards shell smithereens stones texture abstract alone animal artwork ball brown bubbler crabs build burrow coast construction crab crab markings Crustacean design grain hidden hiding hole home imagination industrious nature ocean pattern play round sand balls Sand bubbler crabs sand bubblers sand marbles sandy shell fragments shells small sphere spheres spotted tiny tropical wildlife appearance breakable calcification calcium calcium-carbonate color colors colour colours cook cooking dried dry egg egg-shells eggs eggshells empty external food fragile fragility fragmentary hard-shelled hollow idiomatic-expressions idioms inside internal leftover leftovers life outer-covering outside oval ovoid Remains scattered scattering speckled surface surfaces textures white yolk