This Quadifier Mamba Racing 3 Micro Frame Kit is perfect for hobbyists and RC enthusiasts who love racing quadcopters. With a 3-inch size and a weight of 30g (including TPU), it's designed for 20x20 stacks, has a Stretch X design for better flight efficiency, and comes with a 3.5mm unibody bottom plate. Choose your color and get ready for an exciting racing experience.