Disco Bath Means There's a Party In My Tub

Bathtime: Disco Bath Means There's a Party In My Tub and You're All Invited:

"The Underwater Disco Light Show is a small waterproof contraption that you chuck in the tub for a full-on psychedelic bath-time experience—although, if you want really full-on, it might help to get the hallucinogens in before you strip off your clothes and your dignity and jump in."