kids 110cc quad and 50cc motorbike

Description:

Kids 50cc motorbike, pull start, very little use in fair condition, not of the best quality but a good first bike.
Think its a thunder quad believe it cost £500 when new .110cc quad 4 stroke with electric start(with keys)gear lever 4 forward and reverse. Body work is cracked and has a flat tire. Not currently starting needs battery
Would swap both for a xbox one
Also looking for cadet kart or kids trials bike so could do a deal
Or sell make me an offer