TVStoreOnline.com has a huge selection of officially-licensed Transformers apparel, costumes and accessories available in a variety of sizes all ready to ship. Now you can dress up as Optimus Prime and Bumblebee for halloween with one of our Transformers halloween movie costumes. Or if you're just looking for a Transformers tee be sure to check out our Optimus Prime t-shirts as well as our Transformers hats and beltbuckles. Our Optimus Prime halloween movie costumes are really cool. Don't take our word for it. Check one out for yourself.