Notice: This product is packed in boxes or bags.Please select the sku with the packaging you need This electronics components kit is used to improve the practical ability and develop intelligence and some small creativity,also for research and development about how to apply it to life.Really cool and perfect if you want to get into electrical engineering. Specifications: Type:Diode,Triode,Metal Film Resistance,Aluminum Electrolytic Capacitor,Ceramic Chip Capacitor Package List: 820PCS 1/4W 1%Metal Film Resistor:Each value 20PCS,all 41 values in one package, 12,102,202,332,472,512,682,752,822,912,1002,2002,2202,3302,4702,5102,6802,7502,8202,9102,1K2,10K2,20K2,33K2 47K,51K2,68K2,75K2,82K2,91K2.100K2,200K2,220K2,330K2,470K2,510K2,680K2,750K2,820K2,910K2,1M 300PCS Ceramic Capacitors(50V):Each value 10PCS,all 30 values in one package 2P,3P,5P,10P,15P,22P,30P,33P,47P,68P,75P,82P,101,151,221,331,471,681,102,152,222,332,472,682,103,153,223,473,683,104, 120 PCS Aluminum Electrolytic Capacitor:Each value 10PCS,all 12 values in one package 50V0.22uF,50V0.47uF,50V1uF,50V2.2uF,50V4.7uF,25V10uF,16V22uF,16V33uF,16V47uF,16V100uF,16V220uF,16V470uF 180PCS TO-92 Transistor:Each value 10PCS,all 18 values in one package 59012,59013,59014,59015,59018,A1015,C1815,58050,58550,A42,2N5401,2N5551,A733,C945,2N3906,2N3904,2N2222,A92 100PCS 3mm LED:Each color 20PCS,all 5 colors in one package Red,Yellow,Blue,White,Green 100PCS 5mm LED:Each color 20PCS,all 5 colors in one package Red,Yellow,Blue,White,Green 100 PCS Diode:all 8 values in one package 1N400725PCS,1N414825PCS,1N539910PCS,1N581910PCS,FR10710PCS,FR20710PCS,1N58225PCS,1N54085PCS 4PCS Prototype PCBs:Each value 1PCS,all 4 values in one package Color: Mixed Color (Random color, don't accept the specified color.) Material: electronic components Package Contents: 1 x 1818PCS DIY Electronics Components Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.