Discover the hidden world of ultrasound with the Eight Innovation EBD2766 Build Your Own Ultrasonic Detector Kit. This hands-on science project allows you to assemble a functional ultrasonic detector and tune into sounds beyond normal human hearing—like the echolocation calls of bats and other ultrasonic sources in your environment. Perfect for curious minds who love electronics and real-world experimentation.

Toy Features:

• Build your own working ultrasonic detector with easy push-fit and screw-together parts
• Listen to normally inaudible sounds like bat calls and electronic device emissions
• Encourages STEM learning, problem-solving, and understanding of electronic principles
• Requires a 9V battery (not included) for operation

What's Included:

• Complete kit with all electronic components and cardboard case
• Clear, step-by-step instruction booklet
• Batteries required: 1 x 9V (not included)
• No tools or soldering needed—simple assembly

Safety & Quality:

• Age: 12 years and up
• Material: Durable cardboard construction
• Designed for screen-free, hands-on learning

Ignite a passion for science and electronics with this engaging, educational kit—ideal for hobbyists, students, and lifelong learners.