On Friday, the teacher told the kids that there would be a special show and tell on Monday. The object they bring should be something that a member of the family uses and they must ask what they use it for when they borrow it.
Come Monday, little Suzy stands at the front, holds up something small and says "This is my mum's pin cushion. She said that she uses it to keep pins and needles in".
Next, Timmy holds up a hammer and says "This is my dad's hammer. He says he uses it to whack nails into bits of wood".
And so it goes, until only Johnny is left.
"Well, Johnny, do you have something to show us?" asks teacher. "Yes Miss, but it's too big to bring in here, you need to look out the window". Everyone crowds to the window and sees a big grey machine with a large bellows and pipes running all around it, and an electric plug trailing out the back.
"This is my granddad's iron lung" says Johnny. "And what did he say when you borrowed it?" asked teacher. "Nothing, he just went huuurrrggghhhhhh".