Bored kid to mother at the sewing machine:  

"Mu-u-m, what are you making?"  

"A whim-wham for a goose's bridle"

....................................................................

Bored kid to father as he's hammering/nailing....

"Da-ad,, what are you making?"

"A whim-wham to wind up the sun in the morning."

DEB

In my house, it was 'A wigwam for a goose's bridle'

But your two are listed here as well    

https://en.wikipedia.org/wiki/A_wigwam_for_a_goose%27s_bridle

"A whim-wham for a goose's bridle"

Oh, my goodness! that brings back memories - another one of MILs sayings. She also used to describe anything messy as looking like a packapoo ticket. Being a Pom I'd never come across that expression and it was years before I discovered what a packapoo ticket actually was. 

https://en.wikipedia.org/wiki/Pakapoo

The messy teenager's room was often referred:

This place looks like Cyclone Tracy struck here too"

DEB