Here's the pre-order collectors edition pack for Sonic Mania!
What do you do when there's no actual physical game to buy or collect? This...probably. Notice how there's no real game here at all for your PC. When you get this bundle, you get the 'deluxe' collectors' box (why is it deluxe? Is it plastic instead of cardstock?) which looks like it fits the 12 inch statue of classic Sonic standing on a Genesis system. But, this isn't just a regular sculpted figure! It's got sound! Pressing the button makes the 'Sega' startup sound. Then, there's the cartridge shaped holder with a 'golden' metallic ring that fits in a drawer inside. Last is a metallic collectors card that has the download key on the back so you can actually go get the game. This is a great bundle with plenty of stuff! The statue is really big too, plus the sound addition makes it extra special/unlike bonuses released before.

Even without a physical game, this is a really respectable collectors edition bonus set. It matches the theme/feel of the game perfectly with it's "Sonic 1" suggested style type everywhere. Do notice though that the statue & the box aren't real. They're just CG stand ins for this factory stock photo.

Sonic Mania has what's arguably the COOLEST 'deluxe edition' of any Sonic game produced up to its date in 2017.
Mania iteslf is a digital download-only game, meaning, it's nothing more than a code key that lets you get the game off a server and onto your own PC or console to play it. But, that didn't stop Sega from releasing it with pretty much the best/most extensive deluxe version they could come up with.

It has a BIG 3D plastic Sonic statue and life size Genesis console that plays the "SEGA" sound effect when you use the switch.
It has a real metal 2 sided card covered in cool classic style art.
It has a replica Genesis cartridge with real metal gold ring inside that's really heavy.
It has the game's code on a little paper card.
It has 2 HUGE boxes to hold it all, a cardboard 'open door' box & a paperboard sleeve type box that it fits into.

But how does it compare? Were they able to match the original items for true nostalgic appeal?
Yes!

Here with these comparison photos, you can see that the cartridge is almost an exact duplicate of the old original Genesis one. It's slightly thicker, but it does open up to contain the hidden treasure ring. There is even real metal for the 'circuit card' part that serves as the handle to open the 'ring drawer', to make it extra authentic.
The sound-playing Genesis statue base is the size of the old orginal big Sega Genesis console. The one it's shown with in the photo above was the console's 2nd release which was smaller.
The controller plug-in ports, reset button are all just panted details. The volume slider can move, but is a prop. The 'on/off' switch is what activates the SEGA sound effect. There is a battery door in the bottom to unscrew & replace the batteries. 

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So how does the statue stack up?
Great! Classic Sonic is super accurate and looks very good here. It is hollow.

Here is the statue with some common things like the Giant Jazwares (flocked version) Sonic figure, the Toy Island Big Talkin' Tails & some plush. The statue is made in a couple of parts and is hollow plastic, as is the console replica. This means it's pretty light weight. It feels sturdy though, not some delicate museum piece people are afraid to break. You can easily pick this up and display it safely. It feels good quality. The paint is good on it too, no big oversprays, no problems. It was likely produced from a CG model, so Sonic is quite accurate and on-model. Anyone who has this will be satisfied.

Stats:
The statue (with base) is tall.
The ring weighs 7 ounces. (It's thick, heavy, and has no seam)
This bundle is $60.00 and was pre-order-able in 2017 with a (delayed) August release.

Recomendation:
Absolutely get your hands on this if you're a Sonic fan! (And you have the space) Everything about the bundle was impressive, the card being real metal, the exacting duplicate of the cartridge, the quality of the ring, the huge size for the statue, the electronic base, and how everything feels sturdy and collectible and good. The price is also extremely reasonable for all you get when you consider a game by itself being about 50 dollars or so when new, so paying 60 for all this cool stuff is a bargain. It is so great that it got onto SuperGear as well.
Compare photos in section all provided by: RaeLogan
*Odd note: The red LED is real. It is supposed to light up when the sound is activated with the power switch. For mysterious reasons, it does not light on anyone's version of the figure.