It's a wonderful invention. Ought to be fun makin' it, too.

7 seconds sound clip from the You Can't Take It with You (1939) classic radio play.

You can hear this line at 00:08:29 in the radio play.

Quote context

[...]

- Mr. De Pinna, he's the ice man, came over 9 years ago. Got interested in making fireworks down in the cellar with my son-in-law Paul, and he's been living with us ever since.

- Over at our place, everybody does exactly what he wants to do.

- Really? That's wonderful, but... How do you live? Who takes care of you?

- The same one who takes care of the lilies of the field.

- If you like, you can come over and be a lily, too.

- Say, let's hear that bunny again, will ya?

- Well... All right.

- It's a wonderful invention. Ought to be fun makin' it, too.

- Oh, goodness, it's Mr. Blakely.

- What's this? What's going on here?

- Well, you see, sir... This gentleman...

- Mr. Poppins was showing me his invention, that's all.

[...]