Today only. Amazon with Power Practical Inc has the popular Luminoodle XL 13Ft LED 6000K USB Bias TV Backlight Kit (for TVs 55" to 75") for $19 with free shipping on $25+ or with Prime. The Large size (30" to 40" TVs) is $15, Medium (24" to 29" TVs) is $11, and Small (24" TVs) is $7.49.