Features 1,INCLUDED PARTS: Includes breadboard, 1 or 4W resistors, potentiometers, keys, jumper wires, and power module, etc., to meet various DIY needs. 2,FOR BEGINNERS: This breadboard jumper kit is suitable for beginners, does not require professional knowledge, easy to operate and use. 3,830 HOLE BOARD: This breadboard has 830 hole positions, large capacity design, which can meet various electronic connection needs. 4,MULTI SPECIFICATIONS: These breadboard electronic components come in various specifications with sufficient quantities to ensure long term use. 5,EASY STORAGE: These DIY electronic components are stored in storage box to avoid clutter and loss, making them easy to carry and store. Specification Item Type: Breadboard Kit Material: Plastic Product Size: Approx. 20 x 9 x 4cm or 7.9 x 3.5 x 1.6in Package List 30 x 1 or 4W Resistance 100R 30 x 1 or 4W Resistance 1K 30 x 1 or 4W Resistance 4.7K 30 x 1 or 4W Resistance 10K 30 x 1 or 4W Resistance 47K 30 x 1 or 4W Resistance 100K 30 x 1 or 4W Resistance 1M 2 x 15mm 2.54 Potentiometer 10K 2 x 5mm 2.54 Potentiometer 100K 3 x F5mm Green LED 3 x F5mm Yellow LED 3 x F5mm Red LED 3 x F5mm White LED 6 x 12x12 Keys 3 x 12x12 Key Caps White 3 x 12x12 Key Caps Red 3 x 12x12 Button Cap Blue 3 x 12x12 Square Key Caps White 3 x 12x12 Square Key Caps Green 2 x 2.54 40Pin Row Pins 1 Box Jumper Wire (140Pcs) 1 x 65 Bread Wire 1 x Hole Breadboard 1 x Bread Power Module 1 x Storage Box