This is the Da Vinci Drum, model number 18138, a unique combination of a high-quality percussion instrument, an entry-level drum set suitable for beginners, and a detailed model kit inspired by the innovative designs of Leonardo da Vinci. The drum set is designed for practice and learning the fundamentals of drumming, while the model kit replicates one of da Vinci's mechanical inventions, featuring a drum that operates with a unique gear system.