16 Segment Blue
Featuring a LCD font in blizzard blue on a solid black background, this 20 minutes free online timer is great for the techies out there. Perfect for helping students stay focused in class or any time a little extra motivation would come in handy.
And if you need a timer in a duration other than 20:00, it's easy enough to change it to pretty much any time you want up to 24 hours.
9 Pin Blue
Blue dot matrix font on a solid black background
Art Classroom Timer
Art class themed countdown timer
16 Segment Green
Neon green LCD font on a black background
9 Pin Red
Dark red dot matrix font on a black background
Solid, bold font on a background of fireworks. Great for July 4th or New Years celebrations.
Roboto White on Black
A simple, basic timer with a heavy black font on a white background