Plymouth Colony Thanksgiving Indian Costumes. When it comes to Thanksgiving Day Traditional Costumes we have it all. This American Indian Thanksgiving Day Commemorative Costume is just one of many ladies Thanksgiving Day Costumes we keep in stock. Thanksgiving Day Parade Costume Wardrobes or Individual Thanksgiving Day Costumes abound. We have Ladies, Men, Girl & Boys Thanksgiving Costume Ideas galore. Dress the kids in Pilgrims & Indians Outfits for family Thanksgiving Day fun.