Discover a curated set of LED diodes and color kits ideal for electronics experiments, Arduino projects, and STEM learning. This guide profiles five carefully chosen LED assortments, highlighting color options, forward voltages, and typical current. Use this overview to pick kits that suit classroom activities, hobby builds, or signaling indicators in creative electronics projects.
The following buying guide presents a concise snapshot of each selected item, followed by in-depth product sections with technical details and practical usage notes. All products are suited for through-hole breadboards and standard PCB builds, making them accessible to beginners and experienced makers alike.
| Product | Brand | Color Range | Typical Forward Voltage | Current (Max) |
|---|---|---|---|---|
| California JOS 50 PCS Colorful 5mm LED Light Diodes Kit | California JOS | White, Red, Green, Blue, Yellow | White/Red/Green: ~3V; Blue/Yellow: ~3.2V | 20 mA |
| BOJACK 5 Colors 500 pcs LED Diode Lights Assorted Kit | BOJACK | Red, Green, Blue, Yellow, White | Red/Yellow: ~2.0-2.2V; Blue/Green/White: ~3.0-3.2V | 20 mA |
| EEEEE 600pcs 6 Colors 5mm LED Diode Assortment | EEEEE | Red, Green, Yellow, Blue, Orange, White | Color-dependent (≈1.9-3.2V) | 20 mA |
| DiCUNO 450pcs 5mm LED Diode Kit | DiCUNO | White, Red, Yellow, Green, Blue | Red/Yellow: ~2.0-2.2V; Blue/Green/White: ~3.0-3.2V | 20 mA |
| ALLECIN 24 Values Multicolor LED Kit | ALLECIN | Multiple colors (3mm & 5mm) | Varies by color (commonly ~2.0-3.2V) | Typically 20 mA |
California JOS 50 PCS Colorful 5mm LED Diode Kit

Product overview: This multi-color 5mm LED diode kit from California JOS provides a compact set of white, red, green, blue, and yellow diodes. Each LED operates with typical forward voltages around 3V for white, red, and green, and around 3.2V for blue and yellow, with a maximum current of 20 mA. The water-drop style LEDs are well-suited for STEM experiments, Arduino projects, and decorative signaling. They slide easily into breadboards and through-hole PCBs, enabling quick prototyping and visual feedback in electronics demonstrations.
Key applications include simple indicator circuits, color-moding for project boards, and educational demonstrations of Ohm’s law and basic LED operation. When planning a circuit, consider current-limiting resistors to ensure safe operation at 5V or 3.3V logic levels. This kit’s diverse color set helps students observe color mixing concepts in practice and supports hands-on learning about forward voltage and brightness differences among colors.
Ideal uses: science fair displays, classroom experiments, hobby electronics, DIY decorative lighting, and introductory LED projects for beginners. The kit’s compact packaging keeps components organized for ongoing projects and recurring lessons in STEM education.
BOJACK 5 Colors 500 Pcs LED Diode Kit

Product overview: This BOJACK assortment delivers five colors with a total of 500 LED diodes, designed for broad color options in DIY electronics, signaling, and educational kits. The diodes span 5 mm discs, with forward voltages typically around 2.0-2.2V for red and yellow, and 3.0-3.2V for blue, green, and white. The standard 20 mA operating current makes them compatible with common microcontroller-led indicator circuits and breadboard projects.
Practical considerations: The large quantity supports bulk classroom usage or extended hobby builds, reducing restocking frequency for frequent learners. When wiring, remember to include appropriate current-limiting resistors to prevent damage at higher supply voltages. The mixed-color setup facilitates projects that require multi-color indicators, status LEDs, or decorative lighting in electronics demos.
Educational value: Students can compare brightness across colors, explore color coding in electronics, and practice circuit design on breadboards. The kit is also suitable for car decoration experiments or signaling indicators in small-scale projects, offering flexibility across curricula and maker activities.
EEEEE 600pcs 6 Colors LED Assortment Kit

Product overview: The EEEEE 600-piece LED kit spans six colors (red, green, yellow, blue, orange, white), offering a broad palette for electronics projects and classroom use. Each LED features standard 5 mm size with a maximum current of 20 mA. Forward voltage varies by color, typically around 1.9-2.1V for red, yellow, and 3.0-3.2V for blue, green, and white. A versatile assortment supports varied circuit designs and color-based signaling schemes.
Usage notes: This kit’s wide color range is advantageous for non-color-blind teaching demonstrations or visual feedback in microcontroller projects. The through-hole, breadboard-friendly form factor supports straightforward prototyping. For effective brightness balance, plan resistor values when combining colors in a single circuit or chain of LEDs powered from a microcontroller or 5V supply.
Educational value: It enables learners to study color mixing, brightness differences, and current-limiting design. Students can create multi-color displays, indicator panels, or simple RGB-like effects using separate LEDs of different colors, reinforcing core electronics concepts in a tangible way.
DiCUNO 450pcs 5mm LED Diode Kit

Product overview: The DiCUNO 450-piece kit provides five colors (white, red, yellow, green, blue) in 5 mm round LEDs with a typical forward voltage of 2.0-2.2V for red and yellow, and 3.0-3.2V for blue, green, and white. The included LEDs are suited for a wide range of DIY projects, school experiments, signal indicators, and hobby builds. The package design typically includes a compact box for easy organization and quick access to colors.
Applications: Ideal for science fairs, Arduino and Raspberry Pi projects, and classroom demonstrations where color-coded indicators improve comprehension. The 5 mm form factor remains compatible with breadboards, perf boards, and standard PCBs. When constructing circuits, adhere to correct polarity and use current-limiting resistors aligned with the supply voltage to avoid overdriving the diodes.
Educational value: Learners can compare color-specific forward voltages, assemble color-mixed indicator arrays, and practice soldering or breadboarding in a risk-free, hands-on setting. The kit serves as a practical resource for exploring circuit design basics and LED behavior in real-world projects.
ALLECIN 24 Values Multicolor LED Kit

Product overview: The Allecin 24-value LED kit offers white, red, blue, yellow, green, orange, purple, and other colors in both 3 mm and 5 mm formats. This diversity supports electronics education, Arduino projects, and decorative lighting experiments. The physical design emphasizes durable epoxy resin, tinned copper pins for corrosion resistance, and color-appropriate voltage ranges. Pin lengths differentiate anode and cathode, aiding quick assembly on breadboards and PCBs.
Educational considerations: The mixed-size LED kit enables experimentation with different current paths, brightness, and spacing on a single project. It supports lessons on forward voltage variance among colors, resistor calculation strategies, and multi-color indicator designs. The kit’s transparency and color variety help illustrate how light emission relates to material and color choices in practical circuits.
500 pcs 5 Colors LED Diode Kit

Product overview: This large 500-piece kit includes five colors (white, red, blue, green, yellow) with 5 mm LEDs featuring forward voltages around 2.0-2.2V for red and yellow and 3.0-3.2V for blue, green, and white. The compact kit is designed for extensive experimentation and ongoing projects, offering ample supply for classrooms, hobbyists, and workshop use. The LEDs typically share a standard current rating of 20 mA, helping students practice safe circuit design.
Practical guidance: For best results, calculate resistor values based on the supply voltage and desired LED brightness. The assorted colors enable projects with status indicators, color-coded signaling, or decorative lighting. The variety supports iterative learning, where learners test different color LEDs in the same circuit to observe brightness and voltage requirements across colors.
Buying Guide: Key Purchase Considerations
- Color range and color compatibility: Consider whether you need a broad palette for signaling, color-mixing experiments, or simple indicators. Some kits mix 3 mm and 5 mm LEDs for size flexibility.
- Voltage and current specifications: Understand forward voltage per color and the max current (commonly 20 mA) to size current-limiting resistors and power supplies appropriately.
- Package type and compatibility: Through-hole 5 mm LEDs are breadboard-friendly and easy for beginners; smaller 3 mm variants can fit tighter layouts.
- Organization and durability: Kits with a compact box or tray help manage large quantities and color groups for repeated classroom use.
- Educational value: Choose kits that support lab activities, STEM demonstrations, and project-based learning with clear, observable outcomes.
- Quality and documentation: Clear color labeling, color-specific voltage notes, and consistent pin orientation simplify learning and reduce setup time.