Shop › 3rd Birthday Blue Dots Helium Filled Balloon Image 1 of 2 Image 2 of 2 3rd Birthday Blue Dots Helium Filled Balloon £6.00 18” Helium filled balloon with ribbons and weight attached. Other decorations also available. Quantity: Add To Cart Added! 18” Helium filled balloon with ribbons and weight attached. Other decorations also available.