Super Bright (Wide-angle) 5mm LED - Solarbotics Ltd.

Pololu - Discontinued Items

American Raspberry Pi Shop. One stop shop for all your Pi needs. Raspberry Pi add-ons, HATs, accessories, Starter Kit, Media Center kit, RetroPi

Super Bright Red 5mm LED (25 pack)

Forward Voltage(V) 3.2-3.4 inant wavelength(mm)K:5000-6500 mcd:16000-20000 Power Angle (deg):120-140

500pcs 5mm Flat top Wide Angle led Light white Super Bright led light 120-140 deg

Pololu - Discontinued Items

Need some really bright LEDs? They are very bright and have about 20degree LED beam. They go easily into a breadboard and will add that extra zing to your project.

Adafruit Industries ADA297 Super Bright Red 5mm LED (25 Pack)

Oxyled Oxyled OxySol SL10 16 LED Super Bright Waterproof Solar Powered Light Motion Sensor Outdoor Garden Patio Path Wall Mount Gutter Fence Security Lamp Light

led - Designing brake light with specific luminous intensity - Electrical Engineering Stack Exchange

Next Hack - Robot B9 - Robots - Community - Synthiam

Ultra Thin Wide Angle 5 Inch Strobe Light - Bigfoot Landscape Supply

Here's a USB powered string of tiny SMD LEDs on very thin enamel wire. These are excellent for adding a string of bling to your project.

Wire LED String, 10m x 100 LEDs, USB Powered