Got a friend visiting from abroad with her 5 year old. Will need to get a car seat for her for that time. I will need one for DD when she's outgrown her stage 1 but can't decide which one to get her so don't want to buy it yet. Was thinking of getting the Britax Adventure for my friend's DD, she's got a similar one with Isofix at home using seat belt. Any other options? Will probably have to sell it afterwards as we don't have a lot of storage. Seen it online on offer for less than £30. My friend said by law in her country she would only need the booster cushion seat and she is happy for one of those but they cist around £20 so not much difference. Any ideas?