16 Segment Black
This free online timer is a simple, but techie, 30 minutes timer features a black 16 segment LCD on a simple white background.
Great for helping students stay focused while they're working indendently or really any time that you need some help with focus.
Unmellow Yellow Neon
Bright yellow timer with a fun, quirky monospace font
9 Pin Green
Bright green dot matrix font on a black background
Art Classroom Timer
Art class themed countdown timer
Color abstract background of triangles behind a bold font
Solid, bold font on a background of fireworks. Great for July 4th or New Years celebrations.
Thin Monospace White
Extra light monospace font, white text on black background.