Why not battery cars and Big Bobby Cars

[Party and Play]

Actually, the common aspect is "car". Battery operated kids cars provide valuable learning about movement and control, but BIG Bobby Cars provides development and confidence building etc.

We also wrote a bit about the experience with BIG Bike here

http://great-toys-for-children.blogspot.sg/2012/06/best-ride-ons-for-kids-big-bobby-cars.html 

Let the children play and it's easy to see that whether battery or none, kids love cars.