Are Rainbow Birthday Party Decorations for Kids Worth It?
Share
Last Updated: October 28, 2026
Quick Summary
Rainbow birthday party decorations for kids are worth it if you dress four anchor points: a backdrop wall, a hanging layer, the table surface and one statement piece. Fill those and stop, rather than cluttering the whole room. Build the balloon arch yourself and buy the backdrop, bunting and foil banner.
- Brights suit high-energy parties and older children, while pastels suit first birthdays and calmer rooms.
- Choose brights in halls with fluorescent lighting or dark walls, as pastels look grey in photos.
- Keep the arch away from direct heat and assemble it on the day, as latex balloons pop in warm rooms.
- A brights balloon arch kit costs £8.00 and bunting costs £3.50.
- Build the balloon arch yourself but buy the wall backdrop, which is hard to replicate at home.
Table of Contents
- What Rainbow Birthday Party Decorations for Kids Actually Need
- Brights or Pastels: Which Rainbow Party Decorations to Pick
- Rainbow Party Table Decorations That Hold Up to Cake and Juice
- Rainbow Birthday Party Ideas That Fill a Room Without Clutter
- DIY Rainbow Party Decorations: What to Build and What to Buy
- What the Price Actually Buys You
- Request Your Rainbow Theme and Get It Delivered
- Frequently Asked Questions
What Rainbow Birthday Party Decorations for Kids Actually Need
Rainbow birthday party decorations for kids can work on a simple principle: pick four anchor points, dress them, and leave the rest of the room alone.
The Four Anchors of a Rainbow Set-Up
Every rainbow scheme needs the same four jobs filled:
- The backdrop wall. One large focal area behind the cake table, usually a balloon arch or a printed backdrop.
- The hanging layer. Bunting or a garland at head height to break up bare walls.
- The table surface. Coordinated plates, cups and napkins that survive icing and juice.
- The statement piece. One oversized item, such as a foil banner or number balloon, that reads instantly in photos.
Fill those four and stop.
Brights or Pastels: Which Rainbow Party Decorations to Pick
Brights suit high-energy parties and older children; pastels suit first birthdays, baby showers and calmer rooms. Browse the brights decorations range to shop the high-energy look. The choice comes down to your wall colour and your lighting, not to what looks best in a product photo. Pale walls swallow bright colours less than you would expect, while dark or heavily patterned walls flatten pastels completely.
Our rule of thumb: if the room gets strong daylight and has light walls, pastels look soft and expensive. If the party is in a hall with fluorescent lighting or the walls are dark, go bright, because pastels will look grey in every photo.
Pastel Rainbow Party Decorations for a Softer Look
A pastel tassel garland can add colour against a plain wall. Shop the pastel decorations collection for the softer scheme.

Rainbow Party Table Decorations That Hold Up to Cake and Juice
Table decorations fail for one reason: paper that cannot take moisture. A paper plate holding a slice of icing-heavy cake will sag within minutes, and thin cups buckle when a child grips them. Look for sturdier card, laminated finishes or reusable plastic where the table gets heavy use. Choose pastel tableware built for cake and juice.
Rainbow Birthday Party Ideas That Fill a Room Without Clutter
Here is how we would lay out a small room:
- Arch over the doorway or behind the table, never both. A pastel balloon arch kit gives you that big-impact display with nothing left cluttering the floor.
- Bunting across the widest blank wall, at roughly head height.
- One foil banner above the table.
- Nothing on the floor except furniture.
DIY Rainbow Party Decorations: What to Build and What to Buy
Build the arch, buy the backdrop. Balloon arches are genuinely easy once you have a strip and a pump, and building one yourself costs far less than a ready-made display. Backdrops are the opposite: a printed or pre-formed rainbow backdrop is difficult to make at home and rarely looks right when improvised. Buy a ready-made rainbow balloon backdrop instead of building one.
A workable split looks like this:
| Element | Build or buy | Why |
|---|---|---|
| Balloon arch | Build | Simple with a strip and pump |
| Foil letter banner | Buy | Inflating letters by hand is fiddly |
| Bunting | Buy | Cheaper than fabric and time combined |
| Wall backdrop | Buy | Hard to replicate at home |
| Table styling | Build | Arrange what you already own |
Watch out: latex balloons pop in warm rooms and near radiators, so keep the arch away from direct heat and assemble it on the day rather than the night before.
What the Price Actually Buys You
A brights balloon arch kit is £8.00, a pastel arch kit is £8.00, a rainbow balloon backdrop is £8.00, a pastel foil banner kit is £5.00, bunting is £3.50 and a pack of five pastel balloons is £3.00. A balloon pump is £3.50 and a five-metre roll of arch tape is £3.00.
Request Your Rainbow Theme and Get It Delivered
Pickit Parties offers themed party supplies to help customers choose a theme.
Pickit Parties offers themed party collections, custom theme requests and DIY party-planning resources such as balloon arch guides.
Request your theme from Pickit Parties.
Frequently Asked Questions
What decorations do you need for a children's rainbow party?
A brights balloon arch kit at £8.00 includes 40 colourful latex balloons and a 2.43m plastic hanging strip. The 2.3m paper bunting costs £3.50, and a balloon pump costs £3.50.
How do you create a pastel rainbow party theme?
The pastels balloon arch kit (£8.00) contains 40 assorted balloons and an assembly strip, and the pastel tassel garland costs £3.50. The pastel Happy Birthday foil balloon kit costs £5.00 and measures approximately 3.95m x 35cm.
Can you make rainbow party decorations at home?
A 5m roll of balloon arch tape costs £3.00 and a double-action pump costs £3.50. The pump is for inflating latex balloons during party set-up.
How can I make a rainbow party look colourful without overdoing it?
The brights balloon arch kit costs £8.00. The rainbow and unicorn foil balloon costs £2.00 and is supplied individually, uninflated.
What colours go well with rainbow party decorations?
The pastel Happy Birthday foil kit includes two shimmering silver star balloons.

