We look at the best power wheels for your 7-year-old kids on the market today. The ride on cars that will be cost-efficient and better yet Safe. It will also be fun to enjoy watching your kid have a blast riding on these toys. The Power wheels start getting interesting to kids when they are 2 years old. But, sizing of a power wheel for any 7-year-old can be challenging. You will need to get durable, light but moderately powerful.