Life used to be so simple, before

The telephone rings. It is Child Two.

"Daaaaad, I've been playing in the greenhouse at Granny and Grandad's and I took off my trousers so I could take off my tights so I didn't get them dirty, and I couldn't get my button undone, so I pulled and pulled and it came off and fell into the soil, and I buried it and found it again and I buried it again and now I can't find it because I can't remember which hole I put it in and Mum says would you bring up our little metal detector that the other Granny and Grandad gave us for Christmas to see if we can find it with that."

I did, but they couldn't.