BBC Sounds, Music, Radio, Podcasts.

Hello, welcome to the programme and our theme for the day is ideas.

Now, we're not talking abstract ideas here like postmodernism, we're talking business ideas and inventions.

Now think of this as a kind of eavesdropping session.

How do you make a big idea work? How

important is the pitch? What do you do when the going gets tough? And it's really aware of us celebrating

on the bottom line, entrepreneurship. And this is the podcast version of the program. It's got some

extra goodies in it. We didn't have room for it in the radio version. I'm joined by three

guests who've launched successful

products. They're here to offer reflections on the ups and downs of their careers, the do's and

don'ts, the luck, the skill, the regrets and the relief of when things go right. I'm going to let

them do most of the talking because I have a rather croaky voice today. So let us meet them one by one.

First up is the inventor of a ride-on suitcase for children. It is the trunky.

And if you've been to an airport in the last 20 years, you've probably seen kids wheeling themselves

around. It is the trunkey. It is Rob Law, who invented the trunkie.

So Rob, tell us a little bit about the origins of the trunkey. Where did it start?

Let me take you back to 1997, while our study in product design at university,

we entered a national luggage design competition that was sponsored by a plastics manufacturer.

So I went off to try and find some

inspiration, went to the local department store, looking at the luggage section, and back, way back

then, hard-moulded suitcases, quite fashionable, which was a manufacturing technique we're all learning

about. But I got a bit bored and lacked some inspiration because everything was a bit black

...