Oh, I couldn't tell you. No. You see it's a surprise. And it mustn't be opened til Christmas. See?
10 seconds sound clip from the Babes in Toyland (1934) movie soundboard.
You can hear this line at 00:36:40 in the Blu-ray version of the movie.
Quote context
[...]
- Now don't forget: when he goes to bed you give me the signal.
- And I'll get out of the box, open the door and let you in.
- Then we'll get the mortgage.
- Oh, I couldn't tell you. No. You see it's a surprise. And it mustn't be opened til Christmas. See?
- Do not open until Christmas.
- Well, that's very nice of you.
- Well, good night Mr. Barnaby.
[...]