I mentioned the Alinker walking bike a few weeks ago and I think I have found a smaller more compact one that also has a battery option.
It is the Rollick Next Step Walking Bike and it cost 400 euro with 65 euro delivery to the UK. It is only 7.5 kg in weight also. I am going to Portugal in a few weeks and maybe I could travel with it and use it to walk along the sea front.
The battery option is more expensive and is called the ‘Long Walk’. The Next step can be upgraded to the Long walk.
For those with extra balance issues you can get a tricyle version in both (with battery or without).
Moyna x