aThese sound exploration instruments are designed to build those auditory skills essential to reading and learning. Games and creative activities are used to develop learning skills. The correlation between memorized auditory perception and academic achievement is very high. The activities included with your sound exploration kit are designed to increase the memory and auditory listening skills, essential to learning. Kit includes: two Guiros, two Pairs of Sand Blocks, two 15cm Triangles, two Pairs of Claves, two Pairs of 20cm Rhythm Sticks, two Crow Sounders with Mallets, two Pairs of Maracas, two 20cm Tambourines, two Jingle Sticks, one Set of Finger Cymbals and one Instructional DVD.