Feature: 1. INCLUDED PARTS: Includes breadboard, 1/4W 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 / 7.9 x 3.5 x 1.6in. Package List: 30 x 1/4W Resistance 100R30 x 1/4W Resistance 1K30 x 1/4W Resistance 4.7K30 x 1/4W Resistance 10K30 x 1/4W Resistance 47K30 x 1/4W Resistance 100K30 x 1/4W Resistance 1M2 x 15mm 2.54 Potentiometer 10K2 x 5mm 2.54 Potentiometer 100K3 x F5mm Green LED3 x F5mm Yellow LED3 x F5mm Red LED3 x F5mm White LED6 x 12x12 Keys3 x 12x12 Key Caps White3 x 12x12 Key Caps Red3 x 12x12 Button Cap Blue3 x 12x12 Square Key Caps White3 x 12x12 Square Key Caps Green2 x 2.54 40Pin Row Pins1 Box Jumper Wire (140Pcs)1 x 65 Bread Wire1 x Hole Breadboard1 x Bread Power Module1 x Storage Box