Izzo Castle Surdos: Set of 3 nesting samba drums - 14", 16", 18"The surdo is the biggest, deepest drum and plays the heartbeat of samba music. This set of three practical Castle surdos includes one green 14" drum, one yellow 16" drum, and one red 18" drum. Unlike the other ranges from Izzo, these drums have a skin on one end only, meaning they can be stacked away inside one another to save space and ease transportation. This makes them particularly suitable for classrooms with limited space. Of course, removing