(1) This kit include all the parts you need for building Kossel Mini 3D printer. (2) Compared to 3D Printer Prusa i3 Model : easier to assemble, faster printing, print higher objects. (3) This 3D printer has a simple structure, light and portable, beautiful and trendy. Especially suitable for DIY amateur, artistic design, architectural design, education, 3D photo studio, can be used for printing different items like small components model, decoration, etc. (4) We have pre-install the 3D printer firmware for you . so even you know nothing about firmware , you can still get it working . (5) We don't just sell them, we also provide good after-sales service, so welcome to discuss with us, we will try to do technical support as much as we can, please feel free to send us an email, we will also help you to complete the project !