OV9

Wanna upgrade the nipper from his push car at the moment to an electric one for his birthday next weekend.

Major factors are obtainable spare parts, rubber tyres and 12v or more. Anyone have one for their child they'd recommend?

As you mention no budget
https://bugattibaby.com/
Plus point is you can ride it yourself too.

Good point. Budget? Up to £250/£300 tops!