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To be honest, I've always found the evidence that ancient Mexicans had the wheel rather dubious. All we have that supports this claim are small clay fired figurines that allegedly had wheels on them. The problem with the claim is that the axles would have been made of wood so they no longer exist. So all you have are some clay fired figures with 4 round disks... If they really did have wheels, then it's rather mind boggling (and rather implausible) that they didn't apply the technology to something more practical.

I think it's important to approach history/art-history of ancient cultures with a health dose of skepticism - especially ones that didn't have a written language. These academic fields sometimes promote theories that are based on rather wild speculations.

[emil0r]

The ancient greeks had a steam engine and they used it for nothing. It was seen as a toy.

[lotu]

The Aeolipile is so massively inefficient and cumbersome that there was noting the greeks could have done with it.