I have two big bumps like balls in my gums any idea what it could be?

Bone: If the two bumps in your gums have been present for some time, or slowly growing, and feel hard, the bumps may represent extra growths of bone. They are also referred to as exostosi. They are benign, and usually do not require removal unless their position or size interferes with a removable appliance, or speech. A common location is on the tongue side of the lower jaw. Your dentist can advise.

Probably TORI: If on the lower arch, they are most likely tori, or torus [singular]. Mid palate on the upper., similar problem on facial of ridge called exostoses [exotosis] normally benign with no treatment needed. Location and further info needed