Transform into a lean, mean fighting machine with these awesome Transformers fancy dress costumes. Play out your childhood fantasy of being a robot. Adults can dress up as the brave Optimus Prime while children will have fun in either the Optimus Prime or the energetic looking Bumble Bee Transformers costume. The cool Optimus Prime fancy dress features a comfortable long-sleeved jumpsuit with quality detailing. It also has a detachable chest piece and an eye-catching injection-moulded mask. Little kids will love playing the part of a robot in the Childs Bumble Bee Transformers Costume. It has a fantastic jumpsuit and a mask with eye and mouth holes. Transform for a costume party you will never forget!