It is. Its a nice little rda by uwell meant for beginners in rebuilding. Its the only one I have thus far but I am looking to get more into rebuildables in the future.
Here's a link to it:
Nunchaku RDA Kit
When the nunchaku first came out, it came with a sub ohm tank. Nice form factor. I rather wanted one but by that time I was into RTAS and didn’t want to have to stock up on yet another style of coil lol.
I agree that RDAs are a bit less finicky to build, actually its the wicking. Either way, it won’t take you long once you have this down to figure out Rtas.