Lulu trades a lawnmower for a tuba and disrupts the whole neighborhood trying to learn to play it.; While playing Indian with Lulu and Tubby, Alvin takes the head off a store mannequin. In a twist of events, Lulu's father ends up with the head and is arrested for having stolen property.; Lulu tells Alvin the story about Snow White and the Seven Dwarfs. Lulu is Snow White in this version and the dwarfs all look like Alvin.; Tubby substitutes on a paper route for a day and Lulu helps him.; After Alvin eats Lulu's flower, she makes a fake one of paper, but Alvin eats that one, too.; Lulu buries Tubby in a mound of sand at the beach so she can go off with another boy.; While playing hide 'n seek, Tubby gets himself stuck in a garbage can and firemen have to cut the can to get him out.