The POOF-Slinky 16000 Slinky Science Bionic Ear is a versatile electronic listening device that allows your child to listen to conversations or other sounds without being detected from up to 300-feet away. Look through the targeting scope of the Bionic Ear to sight your subject and then pull the trigger to amplify the sounds through the included headphones. When not spying on others, this device can be used to study birdcalls, wildlife sounds and other noises you’d like to hear undetected. This device is easy to assemble and use, requires a 9-volt battery (not included) and meets or exceeds ASTM F-963 consumer safety specification for toy safety. The POOF-Slinky 16000 Slinky Science Bionic Ear Electronic Listening Device is recommended for children 6-years of age and older. POOF-Slinky, Inc. is the maker of POOF, Slinky, Ideal and Scientific Explorer Brands. Our product lines offer new exciting play with the highly successful Sno-Toys line, Fuzzoodles activity kits, as well as timeless classics, such as the original Slinky, Ideal table-top games, wood construction sets and over 400 other products. In the Box Slinky Science is a series of science kits that combine the elements of learning and fun Advanced Technology for Inquisitive Kids The highly sensitive microphone picks up even the softest whispers through the sound cone and transmits audio through the headphones which come with your purchase. The microphone features an adjustable sensitivity control to eliminate unwanted background noises, such as the rumble of traffic and other random sounds that distract you from the target. It also filters loud racket and other sounds. Simply turn the frequency controller dial in either direction until you achieve the desired noise reduction and clearest sound. Fun Toy and Great for Developing Motor Skills This is Slinky Science experiment number 181 of a series of science kits that combine the elements of learning and fun to provide hours of educational entertainment. The Bionic Ear is designed listen to others conversations or simply search for other sounds or noises while being undetected from long distances. The Bionic Ear can foster critical thinking and develop fine motor skills while sneaking around the house or listening to other sounds from a distance. Product’s Bells and Whistles This is a versatile electronic listening device that allows your child to listen for conversations or other sounds without being detected from up to 300-feet away. The Bionic Ear is easy to assemble, use and meets or exceeds ASTM F-963 consumer safety specification for toy safety. Spies on secret missions won"t miss a sound with the Bionic Ear. What"s In The Box? The Bionic Ear kit includes an electronic listening device, sound shield and headphones. Out of the box