Transformers EarthSpark Optimus Prime Battle Trailer 1-Step Flip Changer action figure set. This exciting toy features a 4-inch Optimus Prime figure that transforms from robot to truck mode in one easy step by flipping the toy in the air. The set includes a large battle trailer that attaches to the truck and opens up to reveal a battle station with a toy blaster accessory. Perfect for young fans of the EarthSpark animated series. Brand new in original packaging. Recommended for ages 6 and up.