Picture the scene: you're checking your emails on a shiny new device (worth two months pay) and from nowhere, a greasy-fingered infant is screaming at you to play. Reluctantly, you pass it over, watching your own hands cup the air beneath any potential drop zone, wondering how best to explain the jam-smeared calamity to your insurance company. Then you wonder if there isn't a useful, hard-wearing and cheap device you could let them play on without fear of bankruptcy. That's what prompted Norwich-based bedding magnate Andrew Kerry to conceive the An