The Elenco LED Combo Kit LEDK80 offers a wide variety of LEDs for a variety of applications. This comprehensive kit includes LEDs in a variety of sizes, from small to large, and shapes including standard and rectangular. The combo features a variety of colors including red, amber, green, blue, yellow, and white. In addition, the kit also offers specialty LEDs including bi-color, flashing, and super bright options. Each of these components is carefully organized within a cardboard box designed to facilitate storage and selection for any project.