Features Versatile Size Options: Choose from 30 double-sided prototype boards in 4 different sizes, tailored to fulfill all your electronic project needs with ease Comprehensive Connector Set: Includes 10 standard 40-pin male connectors and 10 right-angle connectors, ensuring compatibility with various electronic components for seamless integration Organized Component Storage: Features 175 essential electronic components neatly stored in a plastic box, making it convenient for your DIY projects and experiments Features: 1、Provide multi‑size prototype boards for you to choose from, 30 double‑sided prototype boards of 4 different sizes to meet your needs when designing your own electronic DIY projects 2、Contains 10 40‑pin male connectors, 10 40‑pin pitch right‑angle male connectors, their spacing is 2.54mm/0.1in, with single‑row direct headers 3、All 175 electronic components are collected in a plastic storage box, easy to store, convenient for your electronic experiments and DIY projects 4、There are 4 mounting holes on the corners of the board, it is very convenient to install, you can rest assured to use this electronic components 5、Made of ABS, there are 60 m light‑emitting diodes, with 5 colors of red, yellow, white, blue, and green, 12 for each color Specification: Item Type: Circuit Board Commodity Material: ABS The Distance Between 5.08-301-2P and 5 5.08-301-3P: Approx. 5.08mm/0.2in 5.08-301-2P and 5 5.08-301-3P rated voltage: 300V 5.08-301-2P and 5 5.08-301-3P rated current: 16A Led Diodes: 60 m Light Emitting Diodes, 5 Colors (red, Yellow, White, Blue, Green), 12 for Each Color Package List: 10 x 2x8cm Prototype General Version 10 x 3x7cm Prototype General Version 5 x 4x6cm Prototype General Version 5 x 5x7cm Prototype General Version 10 x 40-pin Male Connector 10 x 40-pin Pitch Right Angle Male Header 12 x m White LED 12 x m Red LED 12 x m Yellow LED 12 x m Green LED 12 x m Blue LED 40 x Female-to-female Cable 5 x 5.08-301-2P 5 x 5.08-301-3P 15 x Tactile Lid Switch Package List 10 x 2x8cm Prototype General Version 10 x 3x7cm Prototype General Version 5 x 4x6cm Prototype General Version 5 x 5x7cm Prototype General Version 10 x 40-pin Male Connector 10 x 40-pin Pitch Right Angle Male Header 12 x 3mm White LED 12 x 3mm Red LED 12 x 3mm Yellow LED 12 x 3mm Green LED 12 x 3mm Blue LED 40 x Female-to-female Cable 5 x 5.08-301-2P 5 x 5.08-301-3P 15 x Tactile Lid Switch