This is not - but I thin of Celebrate Today Quick Birthday Balloon Card Video Avery Elle Brushed Stamps set (sentiment); Avery Elle Custom Panels die set (balloon bottoms) but can use SSS balloon dies.
handmade birthday card from I'm in Haven . Penny Black balloon died cut in bright colors with string hanging down . chevron stencil using a die cut and acetate for the gray on gray background . white embossed sentiment on vellum belly band