This 5mm Diffused LED Assorted Kit from PLUSIVO contains 500 pieces of assorted colors of LEDs (Red, Green, Yellow, Blue and White). The kit comes with BONUS items: a pack of 100 pieces 220 Ω Resistors and 2cm x 8cm Prototyping Printed Circuit Board. This kit is very useful in wide range of applications like school experiments, DIY light projects, indoor and outdoor light decorations and electronic or electrical use.