If you’ve ever seen a remote-control boat skate across the water—or controlled one yourself—you know it’s a good time. These toys can accelerate up to 50 miles per hour, tearing up the waters in your ...

After watching adults use remote controls to guide model sailboats around Hagerstown City Park’s north lake Sunday, James Engle said he and his younger brother, Griffin, got their turn. Then James, 8, ...