McDonald's

McDonald's is a North American-based fast food restaurant chain. The company has offered numerous Transformers toys as part of their "Happy Meals" targeted towards children.

2012 Transformers Prime McDonald's promotion
In 2012, a set of eight figures was released by McDonald's featuring eight Transformers: Prime characters appearing in their vehicle modes. Each figure had various gimmicks. 
 * Optimus Prime (Pushing the smokestacks forward lights up the LED Autobot symbol on the grill of the truck.)
 * Megatron (Cannon lights up and the front of the jet is a spring-loaded missile.)
 * Bumblebee (Pushing down on the trunk reveals a missile launcher.)
 * Starscream (Pressing down on the Decepticon symbol opens the cockpit, revealing a non-functioning missile launcher.)
 * Bulkhead (Pulling back on the roof of the truck shoots paper discs from the grill.)
 * Breakdown (Rotating the spare tire on the back of the truck reveals a non-functioning missile launcher on the roof.)
 * Ratchet (Pushing down on the back of the roof reveals a partially functional missile launcher.)
 * Knock Out (Pushing the grill in reveals two guns from the hood of the car.)

2013 Transformers Prime McDonald's promotion
2013 saw a second McDonald's promotion featuring the characters of Prime, this time all in robot mode. 
 * Optimus Prime (Rotating the figure at the waist causes the left arm to swing up and down.)
 * Bumblebee (Pushing down on the figure's door wings causes his right arm to perform a punching motion.)
 * Megatron (The right arm features a spring-loaded missile launcher.)
 * Starscream (The left arm features a spring-loaded missile launcher.)
 * Bulkhead (The left arm features a spring-loaded missile launcher.)
 * Breakdown (Squeezing the legs together causes the upper body to spin rapidly at the waist.)

2015 Robots in Disguise McDonald's promotion
2015 saw the release of eight non-transformable figures of characters from the Robots in Disguise cartoon. 
 * Optimus Prime (Repeatedly pressing the button on the figure's back rapidly spins his handheld Energon mace.)
 * Bumblebee (Squeezing the figure's legs together causes his right arm to swivel up and down, swinging the included sword.)
 * Grimlock (Pressing the yellow fin on the figure's back lights up and then fires the spring-loaded missile from his mouth.)
 * Sideswipe (Repeatedly pressing the button on the figure's back rapidly spins his handheld Energon blades.)
 * Fixit (Rolling the figure forward causes his hands, one of them a drill, to spin.)
 * Clampdown (Pressing the button on his left arm launches his claw, which closes when the button inside hits something or is pressed.)
 * Fracture (The figure's shoulder-mounted cannon lights up.)
 * Underbite (Pushing his hind legs back opens his mouth, and releasing them slowly moves him forward until he jumps, also closing his jaw.)

2016 Robots in Disguise McDonald's promotion
The 2016 Robots in Disguise set consists of eight toys featuring four characters, one each in robot and in vehicle mode. 
 * Optimus Prime
 * Truck mode - Lifting the back end of the truck reveals a disc launcher.
 * Robot mode - The gun in Optimus's right hand fires a missile resembling the Mini-con Slipstream's face.
 * Bumblebee
 * Car mode - Pressing the Autobot sigil on the hood launches a missile from the car's grill.
 * Robot mode - Squeezing Bumblebee's arms together launch a disc from the figure's back.
 * Thunderhoof
 * Tractor mode - Pressing the button on the back of the tractor launches a missile from the grill.
 * Robot mode - The figure's right arm launches a Mini-con-shaped missile.
 * Steeljaw
 * Truck mode - The truck features a hood-mounted disc launcher.
 * Robot mode - The figure's left arm launches a Mini-con-shaped missile.

2017 Robots in Disguise McDonald's promotion
The 2017 RID promotion featured four Autobot characters, each of whom got a figure and a child-sized mask. The characters include:
 * Optimus Prime - Figure has a button on the back that swings his right arm down.
 * Bumblebee- Figure has a wheel on his chest that Bumblebee can roll around on in order to give him the appearance of flying
 * Grimlock - Figure has a missile launcher that can be mounted on either arm or on his back.
 * Strongarm- Figure comes with a missile launcher. Mask has a flip down visor over the right eye.