You find nothing and when you go back to your mother(who now seems more worried than before) she tells you no more wandering around.
-Play with Mother
-Mew
-Try to Nurse
-Sleep
-Mess with Strange Stick
You take the pebble right as your mother licks you up. When she does a rush of water comes pouring where you would have been, thankfully, your was there to save you. Guess no more wandering today.
Acquired: Shiny Pebble
-Play with Mother
-Mew
-Try to Nurse
-Sleep
-Mess with Shiny Pebble