This round birthday balloon will surprise your child twice. The special highlight of this colorful foil balloon is the happy song Happy Birthday, which sounds at a touch of the balloon. They make fun on every birthday party!
Listen to what the song sounds like: audition singing balloon Happy Birthday Faces
The singing balloon has a diameter of 71cm and can be filled with air or helium. For helium, the duration of flight is 5-7 days. The automatic closing valve makes it easy to close the balloon, eliminating the need for a knot.