BBC Radio 4 has a programme called "Bringing Up Britain" which discusses the topic of educating children about money.

http://www.bbc.co.uk/programmes/b00jj0s5

I don't know how long it will be available for.

Some tradtitional kids-and-money activities are harder to do today. I submitted an article some time ago about in reased policing of lemonade stands.

https://news.ycombinator.com/item?id=3171665