First Full Throttle

Whoa! My arms twitched, then suddenly gripped the blue cart's edge! The track under my wheels clicked. Ahead lay a wooden floor, a sofa, and bright sunshine pouring through a low window. But behind me? An enormous wide-open mouth! I didn't flinch—I leaned forward with all my weight, giving the cart a hard jolt. The wheels rolled forward a few inches with a crisp rattle, coasting down the rail and leaving that gaping smile behind!