Personalized Firecracker 3rd Birthday Toddler Dress. Cute Toddler Dress - White with Speckles 4th of July 3rd birthday design with a big blue number three firecracker filled with red and white stars and star burst. Perfect for 4th of July third birthdays! Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!