A work colleague of mine has bought one of these for his 12 year old son for Christmas.
He firstly bought one from China (as the price was around £100 cheaper than the UK) but that never got through customs so he got his money back, ...he then bought one from a UK seller and it cost him £350 delivered.
Personally I think that's a bit much to spend on a child at Christmas especially on just one present but that's up to him. I'd be more concerned though about where his son is even going to use it tbh.
Anywhere but private land and I'm sure he'll be in trouble if he's spotted on it by the Police.
If I was you Squee why not consider looking at a 50cc Moped for those short trips as you'd be able to pick one up secondhand for the same sort of money & at least that's legal transport, ...plus as an adult you won't look half as stupid as you would riding one of those "hover boards". Only imo of course.