Just as IBM get a little credit for being in the services business even though they are, Google gets little credit for being in the hardware business even though indeed, they are. In a pretty big way.
The most obvious consumer facing products are chrome book and chromecast both of which are a low-end mass-market product with a lot of success.
On the very high-end, of course, Google cars.
But in between they do a lot of hardware from a lot of different departments. Some of it are camera projects which are only made available to nonprofits or research groups. Some of it are just pet projects like the sensor contact lens for medical purposes. Some, like Boston dynamics, were leading edge hardware companies when Google acquired them.
Google’s had some very public hardware failures, Google glass being an obvious example, but they’ve also had a lot of successes. And every hardware company has failures.