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It's not a fake (if you're referring to the second item). It's very obviously a sea urchin fossil. This is not the same species as the OP's, but the 'needle holes' are a normal anatomical feature of the test (the shell portion). They're the podial pores of the petalloid ambulacrum.
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The first item is just a piece of heavily weathered rock with a cortex that has seen significant hydration. That will also affect the hardness of the interior and rocks like rhyolites are particularly susceptible to this (although I don't know if it occurs in the area where you found it). Difficult to say if it has been worked or chipped by mother nature.