Kosmos Experimentierkasten Fun Science Soap Bubble Robot

With the Kosmos Fun Science Soap Bubble Robot, you construct a functional machine that creates soap bubbles without you having to blow into it yourself. The transparent, neon-green housing provides a clear view of the gear mechanism, the motor, and the integrated fan. The rotation of the blowing rings in various sizes continuously generates numerous bubbles both indoors and outdoors. Assembly is completely tool-free thanks to clever coil springs and simple plug-in connections. An included bottle of original Pustefix soap bubble liquid allows you to start playing right away after assembly. The richly illustrated instructions also convey exciting basic physics principles about soapy solutions and surface tension. Two 1.5V AA batteries are required for operation.