Jackson- Vs Polar Bear

The braces swirled in his mouth and morphed into a huge shield just as the bear reached them. The shield blocked the beast’s deadly blows, and sparks flew off in all directions. The polar bear roared with anger and swung again—with similar results. The impact caused a little irritation to Jackson’s teeth, but for the most part he realized he could probably defend them from the hulking animal for the rest of the day. “Problem solved,” he bragged.

NERDS Chapter 21