This Dr Pen A10 Microneedling Pen is a smaller kit that's good for beginners. There are only a few cartridges, but enough variety to try out. Despite it being less complicated than the larger pen, this pen basically delivers similar result. I also think the A10 is slightly lighter than other models, but the battery is still good for a whole session. The cartridges in this kit will run out soon, but there are many replacements cartridges available. A great starter kit with an excellent device.