A small puddle.

''Hmmm, hmm, la, la, it's only a small puddle but it will do.''

Ick ! Daisy, get out of that.
''No way Dad. I have to paddle and drink and roll in it.''
Ick. Show me that face. Look at you !

Covered in mud. Covered in paint and gap filler too.
Si the Dogblogger.