Features: This is a set of LEDs, resistors, capacitors, diodes and transistors which will meet you basic needs. They are well packed and assorted in small bags for convenient storage. High precision and stability, sorted by type, so you don't have to sort them which saves you time and labor. This is a great assortment of components for electronic professionals or enthusiasts. If you work with electronics or need to stock your shop, this is a very good component kit to have. Specifications: 5 Colors of LEDs: Red, Green, Blue, Yellow, White, each color 20pcs, total 100pcs Resistors: 10, 22, 47, 100, 150, 200, 220, 270, 330, 470, 510, 680, 1K, 2K, 2.2K, 3.3K, 4.7K, 5.1K, 6.8K, 10K, 20K, 47K, 51K, 68K, 100K, 220K, 300K, 470K, 680K, 1M 600 x 1/4W(30resistance values, each about 20pcs, total 600pcs) 12 Types of Electrolytic Capacitors: 50v 0.22 uf; 50v 0.47 uf; 50v 1 uf; 50v 2.2 uf; 50v 4.7 uf; 50v 10 uf; 50v 22 uf; 16v 33 uf; 16v 47 uf; 16v 100 uf; 16v 220 uf; 16v 470 uf Each value 10pcs, total 120pcs 30 Types of Ceramic Capacitors: 2P, 3P, 5P, 10P, 15P, 22P, 30P, 33P, 47P, 75P, 68P, 82P, 101(100P), 151(150P), 221(220PF), 331(330PF), 471(470PF), 681(680PF), 102(1NF), 152(1.5NF), 222(2.2NF), 332(3.3NF), 472(4.7NF), 682(6.8NF), 103(10NF), 153(15NF), 223(22NF), 473(47NF), 683(68NF), 104(100NF) Each value 10pcs, total 300pcs 8 Types of Diodes: 1N4148, 25pcs; 1N4007, 25pcs; 1N5819, 10pcs; 1N5399, 10pcs; FR107, 10pcs; FR207, 10pcs; 1N5408, 5pcs; 1N5822, 5pcs; Total 100pcs 17 Types of Transistors: S9012, S9013, S9014, S9015, S9018, A1015, C1815, A42, A92, 2N5401, 2N5551, A733, C945, S8050, S8550, 2N3906, 2N3904 Each value 10pcs, total 170pcs Weight: 283g(approx.) Package Includes: 100 x LEDs 600 x Resistors 120 x Electrolytic Capacitors 300 x Ceramic Capacitors 100 x Diodes 170 x Transistors