Dino Sparkers will add some spark to your Transformers adventures! These Transformers figures of Optimus Prime and Grimlock make an exciting team. The Autobot leader should be placed on Grimlock’s back while being pulled back to charge him. All you have to do is release your grip when the time is right, and they’ll charge forward with battle sparks flying! Will their adversaries be able to resist their attack? Mount up for some intense Dino Sparkers action with Grimlock and Optimus Prime! Hasbro owns the trademarks for the Transformers and all associated characters.