The wires are thin enough to fit under or between bricks.  There is about 12 inches of wire
Rotating LED
Blue & RedRed
$4.99

Plug & Play lights require a power source.   Need one?

Powers One Light

Plug & Play - Power
$7.99

Powers up to Eleven Lights

Plug & Play - Power
$7.99

Powers One Light

Plug & Play - Power
$7.99