Unlock the secrets of the ultrasonic world with the Ultrasonic Detector Kit! Perfect for budding scientists and curious minds, this high-quality, easy-build kit allows you to assemble your own detector and listen to sounds beyond human hearing. Discover the ultrasonic sounds of bats and other hidden noises in your environment. The kit includes a clear, step-by-step instruction booklet, making assembly a breeze. Enhance your science experiments and explore new auditory realms with this exciting and educational science toy.