The McDonalds Transformers happy meal toys for 2010 includes the following 6 character figures:
Optimus Prime – Press button on his right arm to flip energy blade out
Megatron – Press purple button on arm to fire missile
Bumblebee– Pull back action fires blue missile from his right arm
Ironhide – Rotate dial on his back to activate arm cannons which move back and forth
Starscream – Fire 3 discs stored on his back by sliding lever
Blackout – (Grindor) Spinning blade launches from arm when button pressed