The Westminster Plasma Ball is the perfect gift for the science or engineering buff Ionized bands of illuminated noble gas react to their environment Touching the sphere with your finger creates contact points that the electrical wavesreact to. Sphere measures 3" in diameter, and uses 4 AA batteries, which are not included.

Westminster Ionosphere ElectroMagnetic Wave Generator Plasma Ball

SKU: 111238
BD$29.95Price