of the item problem. We will confirm the photos are valid and solve your problem . If you can not offer us detailed videos or valid photos we can not help to solve your problem. Notes: Please read the descriptions carefully and clearly before purchasing. If the descriptions are not clear enough, please feel free to contact us . Visual confirmation is a requirement of your service policy. If you cannot provide a clear video or valid photos we cannot help to deal with product problems. This category( Arduino SCM & 3D Printer Acc)includes many DIY kits. Our technical service can only be a guide. We can do nothing to help and we are not responsible for the damage caused by incorrect welding, construction or any circuit damages. We recommend you have some knowledge of electronics before purchasing any of our DIY kits. If you find the product is damaged, please do not disassemble it privately (such as e-books, programmers, signal logic analyzers and other prebuilt items). If you disassemble it privately it is difficult to determine if the problem was caused by disassembly or due to manufacturer fault. Please do not open items up as we do not provide any warranty service on and disassembled items. Reviews 5 Star0 (0.0%) 4 Star0 (0.0%) 3 Star0 (0.0%) 2 Star0 (0.0%) 1 Star0 (0.0%) Average Rating: Get double Banggood points if you are one of the first 3 reviews published! Write a Review Images +get Banggood points and Post your images Videos +get Banggood points and Post your videos Question & Comments +win vouchers and Post new topic You Might Also Like: 500Pcs 5MM LED Diode Kit Mixed Color Red Green Yellow Blue White zÅ'21.76 (34) 300pcs 2V 39V 30 Values Zener Diode Assorted Kit zÅ'18.32 (13) 100 Pcs 0805 Ultra Bright SMD LED Light-Emitting Diode 5 Colors zÅ'9.52 (8) 20Pcs RGB LED Diode 8mm Red/Green/Blue 4 Pin Light Emitting Diode zÅ'8.