A 2016 Hot Wheels DC Comics Super Heroes Superman Pullback Car, exclusively released as part of a McDonald's Happy Meal promotion

Released Year 2016.

Manufacturer: Mattel / Hot Wheels for McDonald's.

It features a distinctive red roof highlight, and the iconic Superman shield logo emblazoned on the front hood. 

This is what makes it Unique as it falls under two Collectible category. One it is Hot Wheels Collectible and Two it is also a McDonald's Memorabilia. It is a 2 in 1 Collectible Car.

And also it features a friction-powered pull-back mechanism as u can see in a video. Not all Hot Wheels come with pull-back mechanism inside (allowing it to propel itself forward when rolled backward) this makes it even more special.