Make sound waves visible with this awesome vibration speaker device. It turns practically any surface into a larger speaker. The audio jack connects to standard audio output sockets. Stick the speaker onto a variety of surfaces and objects to find out which materials product the best sound. Experiment to see sound waves ripples through a tray of sand, water, and other substances. With signal generating apps, you can experiment to visualize different sound wave patterns. Ages 8+.
Category: Card Games & Activities
Brand: Thames & Kosmos