https://www.amazon.com/gp/aw/d/B00LMRKZP0/ref=mp_s_a_1_1?ie=UTF8&qid=1498343269&sr=8-1&pi=AC_SX236_SY340_FMwebp_QL65&keywords=nvidia+stylus&dpPl=1&dpID=21p%2BZ9Cb25L&ref=plSrch
Looks like it's only available on the US Amazon, not for the UK. That's weird...