Just went in my ASDA to buy some toys and I've found the "The Trash Pack Wheels Sewer Croc Escape" and it was £24.99 (like in most places). I said to check online to see how much it is and found it on Amazon for £18.25. Almost the smallest price ever on Amazon.
Hope it helps somebody.
briskham pointed out that Debenhams is doing a half price sale on toys and this one is available for £11.25 online (MX32 10% discount code applied).