Star Trek Movie Toddler Costume Blue Mr Spock - Infant Our toddler and baby Star Trek costume includes a romper with a gold or blue top and black legs and a headpiece. The blue Mr Spock toddler and baby Star Trek costume also includes a headpiece with Spock ears. This toddler and baby Star Trek costume comes in toddler sizes Infant, Toddler, Newborn. Each toddler and baby Star Trek costume features a printed Star Fleet emblem. This toddler and baby Star Trek costume is an officially licensed Star Trek costume.