If looking for one of the best kids ride on cars then you can get them from Amazon where it sells wide range of kids cars. However, the cars are sold by third parties and so you don't have more variety or model designs on the Amazon. But you can buy from a retail shop which has wide range of kids ride on cars.
The sites like kidselectriccars.store offers more than 100 different variety of rideon cars to choose from. Also they keep on launching the new stock every 6 months as the new cars arrive in the market. There has been several new car releases like EV models licensed cars and other models have arrived into the market. Thus you can buy the kids ride on cars from such kind of retailer who sales wide range of cars than compared to the Amazon.