Koosh switch is Spongy, springy fun with Texture, Music, Lights & Vibration All ages will enjoy our colourful Koosh? Switch. Touch the compelling ball of rubber strings and you are instantly rewarded with lights, music and vibration. Great fun! Lights and music are disabled when used as a switch. Size: 8?"L x 5?"W x 2?"H. Requires 2 AA Batteries. Weight: 1 lb. Not suitable for those Latex Sensitive.