The Internet of Things has a dirty little secret: it's not really yours - The Verge
How to Teach Your Child to Clean ANY Bedroom in Ten Minutes (Without Using a Blowtorch)
- How Does She.
This seems wildly optimitic, and I can't recall any mention of lego, but I'll give it a whirl.
http://www.bbc.co.uk/programmes/b07m4glv - Food Programme, BBC Radio 4