The Regeneration by Abbe Toys is a ball bearing yo-yo made as part of the Black Mamba line, released in May 1999. It is a variant of their "five-star" auto-return yo-yos, except that it doesn't have a centrifugal cam mechanism, meaning that it cannot auto-return to the user's hand on its own. This allows the player to pull off intermediate tricks using this yo-yo. In short, it is essentially Australia's answer to yo-yos such as the Yomega Raider. It also features rim weights, and is sought after by collectors.
Black Mamba Regeneration (from Dave Schulte's collection)