The Da Vinci Drum is a mechanized drum built on a cart, originally designed to be pulled by a horse or operated in a fixed position by cranking a handle. Five large drumsticks on each side of the drum are cam operated and can be adjusted to vary the beat of the drum. With Academy's Passion For Precision, Leonardo's design comes to life in this 9" long by 4" high mechanical kit. Pre-painted and faithfully textured with straight forward directions; snap it together, change the drum beats and enjoy it!