Whether you are a beginner or a 3-D aerobatic freak, this Spirit simply has everything you could wish for. The kit features many upgrade components including CFRP main rotor blades, CFRP vertical and horizontal stabilisers, CFRP tail boom braces, and is simple and fast to assemble thanks to the comprehensive and very well illustrated building instructions. The battery support (included in the kit) provides space for a wide variety of battery pack sizes and formats, whilst maintaining the optimum Centre of Gravity.