QUJOWI Building Block Birthday Party Decorations Building Block Birthday Banner 6pcs Hanging Swirls Colorful Brick Party Supplies Building Brick Birthday Banner Garland Block Theme Decorations for Kids

Why I picked this banner set for a block-themed birthday

I recently hosted a block-themed birthday for a Lego-obsessed kiddo and needed something simple, bright, and cohesive to anchor the space. The QUJOWI building block banner set hit the mark: bold primary colors, a clean “HAPPY BIRTHDAY” headline, and a few extra hanging elements to make corners and doorways feel festive without going overboard. It’s not a complicated kit, but it’s thoughtfully put together and looks great in photos.

What’s in the box

• A two-string “HAPPY BIRTHDAY” banner made of heavy-duty cardstock letters with a building block print
• Six hanging swirl decorations topped with block-shaped cutouts
• A length of ribbon for threading the letters
• A small plastic threading needle (mine arrived neatly bagged with the ribbon)
• Pre-punched holes in each letter for quick assembly

The materials are better than typical party-store stock. The letters have enough stiffness to hang flat without curling, and the swirls are a durable plastic that doesn’t kink easily. The color palette sticks to bright red, blue, yellow, and green, which read clearly across a room and match well with generic block-themed plates, balloons, and tablecloths.

Assembly and setup

Expect to spend a few minutes putting this together. The banner arrives unstrung, which is actually a plus if you care about spacing and how it drapes. I laid everything out on a table, sorted “HAPPY” and “BIRTHDAY” into two runs, then threaded the ribbon through the pre-punched holes.

• Time required: about 15–20 minutes at a casual pace
• Difficulty: easy; it’s just threading and spacing
• Tools: the included plastic needle and ribbon are enough, but scissors and a tape measure help

A few tips from my setup:
- Work on a flat surface and pre-plan spacing so the two words align in length when hung.
- Leave an extra 12–18 inches of ribbon at each end to tie or tape to hooks.
- Be gentle with letters that have narrow arms (like “Y” and “R”). The cardstock is sturdy, but the skinny bits can crease if you rush.
- Use small, removable hooks or painter’s tape for hanging; the banner is light, so you won’t need heavy hardware.

The six swirls add some movement and help fill vertical space. I hung them at staggered heights from the ceiling with clear tape and used two to frame the banner ends. They catch the light and spin gently, which makes the whole display feel more dynamic.

Design and visual impact

The print quality is crisp and saturated. The building block motif is obvious without being branded or busy, and the consistent color story ties the room together if you mix in balloons and tableware. Scale-wise, the letters are large enough to be legible from across a living room or backyard, and the two-line layout makes it easy to center over a dessert table or mantel.

As a photo backdrop, it worked well. The primary colors pop behind faces in phone photos, and the swirls bring a bit of depth. I set it up over a buffet and left it up for a week afterward—no sagging, and the colors stayed bright.

Durability and reusability

For a paper-based banner, durability is solid. The cardstock is thick, edges are cleanly cut, and the print didn’t flake or rub off during handling. The ribbon is smooth and doesn’t fray easily. The swirls are plastic, not foil, so they spring back after you uncoil them and don’t wrinkle at the first mishap.

Reusability is realistic if you pack it properly:
- Store letters flat in the original sleeve or a large envelope to avoid bends.
- Coil the swirls gently and tuck them back into their bags.
- Keep the ribbon and needle together so you’re not hunting for replacements next year.

I used this indoors and later test-hung it on a shaded patio. It’s fine outdoors for a few hours, but like any paper decor, it’s not weatherproof. Wind will make the swirls lively; on gusty days, tether the bottoms or move them inside.

Where it fits best

• Kids’ birthdays with a building block or primary color theme
• Classroom celebrations or maker/STEAM events where you want bright, playful decor
• Photo corners: it frames a dessert table nicely or works across a window if you want natural light behind your scene

What could be better

• Pre-assembly: You do have to string every letter. It’s not hard, but if you’re rushing just before guests arrive, budget the time.
• Hanging hardware: The set doesn’t include adhesive hooks or tape, so you’ll need your own solution for walls or ceilings.
• Delicate cutouts: While the cardstock is tough, the narrow bits of some letters reward gentle handling.

None of these are dealbreakers, but they’re worth knowing so you can prep ahead.

Pro tips for a cleaner finish

• Pre-measure your hanging width and mark center points on the wall; it keeps the two banner lines aligned.
• Add a tiny piece of clear tape to the back of each letter after spacing to keep them from sliding along the ribbon during transport.
• If you’re mixing in balloons, stick to the same four colors to keep things cohesive.
• For outdoor use, anchor the ribbon ends with zip ties or twist ties to railings or fences, then add a small bit of tape behind the middle letters to reduce sag.

Value

As a compact kit, this banner set covers the basics: headline text plus enough vertical accents to make an impact without additional shopping. Because the materials are robust and re-storable, you can reuse it for future birthdays or loan it out. If you want a “full party in a box,” you’ll still supplement with balloons and tableware, but as a core decor element, it punches above its weight.

The bottom line

The QUJOWI building block banner set is a well-made, cheerful centerpiece for block-themed birthdays. It’s easy to assemble, visibly bright from across a room, and sturdy enough to reuse if you treat it kindly. The inclusion of a threading needle and pre-punched letters streamlines setup, and the plastic swirls add motion that makes the display feel more polished than a plain paper banner.

Recommendation: I recommend this banner set. The combination of vibrant colors, thick cardstock, durable swirls, and straightforward assembly makes it a reliable anchor for a kid’s party. The only caveat is setup time, so plan to assemble it at least 20 minutes before you need it—or the night before—and you’ll be rewarded with a tidy, reusable display that photographs well and delights block-loving kids.