Sega Genesis Mini 'mini tower' includes a Sega CD, 32X, Sonic cartridge - Polygon

The Sega Mega Drive Mini in Japan will also get a "mini tower" accessory to recreate the infamous Sega Tower of Power.

The Best Retro Gaming Consoles

Review: Sega Genesis Mini – Destructoid

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Mega SG review - Polygon

Mega Drive Tower Mini - Sega Retro

Review: Sega Genesis Mini – Destructoid

Sega Genesis Mini - Genesis : Video Games

Everything You Need to Know About the SEGA Genesis Mini: Where to Preorder, Full Game List, and What's In the Box - IGN

Sega announces final games coming to its mini console; Japan will get 32x and Sega CD add-ons - Neowin

The Mega Drive Mini Tower is an accessory for Mega Drive Mini that consists of Sega CD - Sega 32X and a Sonic the Hedgehog Cartridge to recreate the infamous Sega Tower of Power in the miniature style.Note Mega Drive Mini console not included.

Sega Mega Drive Mini Megadora Tower Mini Accessory Kit HAA-2920 Game

Final 12 Games For Sega Genesis Mini & A Sega CD And 32X Add-On?!?

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Mega Drive / Genesis Mini Gets Tiny Mega CD, 32X, And Carts, But There's A Catch

Everything You Need to Know About the SEGA Genesis Mini: Where to Preorder, Full Game List, and What's In the Box - IGN