Toys R Us are having an online only flash sale, and there's seriously not a lot of information about it. For example, I can't tell you how long it'll last for, how long each item is up for, or if there's a standard discount amount.
What I can tell you is that whatever you buy today, 3 December 2012, comes with free delivery, so you're saving some money there already. I can also tell you that you can start with prices from £4.29 (Saturn Helmet 48-54cm reduced from £9.99 and saving you 55%).
On the other end of the scale there is the BABY Born Interactive Kitchen which was £34.99 but has been reduced to £24.49, saving you 30%.
Some of the items are also included in Mulitbuy savings, so for example if you buy 2 Imaginext toys, you get a third Imaginext toy free.
While this is predominantly a Toys R Us sale, there are also quite a few products from the Babies R Us range.