Auditory Drills Boom ™ Cards at the word level for children who are deaf and hard of hearing who use Cochlear implants or hearing aids. Listening Practice using auditory discrimination to increase auditory awareness. Auditory Comprehension activities. Perfect for auditory verbal therapist AVT, aural rehabilitation, listening and spoken language therapy LSL, deaf educators and itinerant teachers. Help your students strengthen audition at the identification level with this interactive Boom™ Dec