Plasma ball: Get a sensory plasma ball. USB powered: Includes a USB port so you can connect your ball to a laptop or PC to charge. Size: L 8cm x W 8cm x H 14cm. Lightning effect: Creates a stunning visual 'lightning' display in fluorescent pink and purple colours. Ideal for: A nostalgic desktop decoration! Material: Glass and plastic. | Sensory Plasma Ball | Wowcher