Building Blocks Happy Birthday Foil Balloon – 18 inches

Snap together the perfect party. This 18-inch round foil balloon stacks bright red, blue, yellow, and green building bricks around a bold "Happy Birthday," arriving helium-filled and ready to float.

The design: a wall of red, blue, yellow, green, and orange toy-style building bricks frames a black center band, with "Happy Birthday" spelled out in multicolor brick lettering. Made by Betallic.

• 18-inch round foil balloon with a colorful building-brick design and "Happy Birthday" lettering
• Helium-filled and ready to float on arrival — float time 3–5 days indoors
• Built for brick-builder birthdays, creative kids, and master builders of every age
• Delivery across Brooklyn · Pickup available in Dumbo, Brooklyn

A great pick for LEGO® fans and brick-building birthdays. Build out the bouquet with red, blue, yellow, and green from our latex balloons and an age topper from our number balloons. Love a blocky look? Browse our building blocks balloons, Minecraft balloons, and the rest of our birthday balloons.

Frequently Asked Questions

Where can I get a building blocks birthday balloon in Brooklyn?
Dumbo Balloons delivers this balloon helium-filled to Dumbo, Brooklyn Heights, Vinegar Hill, Fort Greene, Clinton Hill, Downtown Brooklyn, Cobble Hill, Boerum Hill, Columbia Heights Waterfront, Red Hook, Gowanus, Park Slope, and Williamsburg. Pickup is also available in Dumbo.

Is this a good balloon for a brick-building or LEGO®-themed birthday party?
Yes — the primary-color brick pattern matches building-block party decor. Pair it with red, blue, yellow, and green latex balloons for a full bouquet.

Are these balloons helium-filled?
Yes — arrives inflated with helium and ready to float.

How long will it float?
Foil balloons float 3–5 days indoors. Keep away from heat and AC vents for best results.

LEGO® is a trademark of the LEGO Group, which does not sponsor, authorize, or endorse this product. Dumbo Balloons is not affiliated with the LEGO Group.