The Remo Sound Shape Series are pre-tuned drums that are mounted in vibrantly colored Remo Acousticon frames. Fun for groups of any size, The Sound Shape Family Pack has six circular shapes (6, 8, 10, 12, 14, 16 inch) while the Sound Shape Pack has five shapes. The Sound Shape Arthur Hull Facilitator Pack includes 30 circle Sound Shapes, color coded for orchestrating different rhythms in large group. Beaters included in all Sound Shape packs.