The Ultimate Bipe from Nitroplanes.com is a beautifully constructed high quality plane. As an RTF kit is goes together very quickly and everything to put the plane together is supplied with the kit. All you need to do is pick your favorite brushless out runner motor, esc, and 4 9 gram servo's. The Ultimate comes in Purple, Yellow, Red, or Blue. It's your choice they are are great! If you go to the NitroPlanes.com you'll see a video of it in action. So if your looking for a great smaller sized bipe this is a great choice and it helps keep cost down when it will fly on a 3S 1300 to 2100 mAH. Take a look you won't be disapointed.