The show’s creators have never given Blaze a concrete age in human years. He’s designed to be a — roughly the equivalent of a preschool or early elementary-school child in terms of personality, curiosity, and learning level.
Here’s a post answering the question:
If you’ve watched Blaze and the Monster Machines with your kids, you might have wondered: exactly how old is Blaze? how old is blaze in blaze and the monster machines
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