Just tried, but it came up with my address as delivery address. Which I guess is not the desired end result.
Oh, and if it can be made to work, Amazon ordering via NSC will benefit the board also
Bearing in mind OP's target audience, I'd be inclined to make it fun and interactive. Take along some teabags and milk and show them how to make a nice cup of tea. Then ask them to make one and drink it. Oh, and postcards. Lots and lots of postcards. Enough to go round. Postcards of The Royal...