T. Rex Regeneration was released in the United Kingdom on October 22, 2012 through Fly Records under catalogue number BUG-100. Issued as a limited-edition 7-inch single, the release paired "Childlike Men (Single Edit)" with "Hey, Let's Do It", both written by Marc Bolan. The single formed part of a renewed interest in previously unreleased and archival T. Rex material, bringing together recordings associated with Marc Bolan's catalogue in a collectible format aimed at fans an

T. Rex Regeneration was released in the United States on October 22, 2012 as a limited-edition 7-inch single on the Fly label under catalogue number FLY-1. The release paired "Childlike Men (Single Edit)" with "Hey, Let's Do It", presenting two Marc Bolan compositions in newly issued form. Issued more than three decades after Marc Bolan's passing, the single formed part of an ongoing celebration and reappraisal of the T. Rex catalogue. The release highlighted material written