21st Birthday Neon Number Sign
21st Birthday Neon Number Sign
21st Birthday Neon Number Sign
Happy 21st Birthday Neon
Happy 21st Birthday Neon
21Birthday neon Signs - neonpartys.co.uk
21Birthday neon Signs - neonpartys.co.uk
21st Birthday Neon Number Sign

21st Birthday Neon Number Sign

Regular price $306.85 Sale price$231.09 Save $75.76
Tax included. Shipping calculated at checkout.


What is an LED neon sign?

An LED neon sign is a lightweight, shatter-resistant neon light made from long flexible tubes that have been bent into various shapes and sizes.

Are LED neon signs safe? 

Our LED neon signs are very safe. They produce little to no heat, making them cool to the touch. Additionally, we use LED neon flex tubing which are non-toxic, high quality and also have a high flame retardancy.

What is the voltage?

All of our products have a voltage of 12 Volts. This low voltage helps make it safe for our neon signs to be turned on for a businesses' daily operating hours.

What is the average lifespan of an LED neon sign?

Our LED neon signs come with a lifetime of approx. 30,000 hours. 

Meaning if the: 

Neon sign is operating for 10 hours per day - it will last approx. 10 years. This is around 3x longer than traditional gas neon signs

The average lifespan of a battery-powered and USB-powered sign is less.

LED neon sign

Power cord

DC connector


Accessories (for DIY Installation): wall plugs and screws, hanging chain or steel wire.

Dimmer Remote: turn sign on/off, change the level of brightness and activate party/flash modes.

Installation Guide: easy to follow instructions for non-professional installation.

Thank you Card: scan to provide Google Review + 10% cashback offer

1-2 business days after you order, we will email the mock-up of your neon sign. The mock-up includes the design, measurements and other important details. 

If you are: 


Please reply with a confirmation email. The neon sign will then go into production only when we have received a confirmation email. 


Let us know in an email and we will revise the design and send you a free revised mock-up. 


If we do not receive a confirmation email within 3 DAYS, we will start manufacturing your order so you receive it in a timely manner.


If you do not see the email in your inbox, please check your JUNK FOLDER. If it is not in your JUNK FOLDER please contact us via email: info@neonparty.com.au


If you want to cancel the order after receiving the mock-up, we will refund the order. However, orders can not be cancelled once they have been approved for production. 

Average Turnaround (production + delivery)= 2-3 weeks

Priority Production (+$200)= receive your order in 8-10 days.

If we cannot deliver your order within 10 days, we will refund the priority production cost.

If you want to know if you can get your sign delivered by a certain date, please ask us in the chat or email: info@neonparty.com.au

How to add Priority Production to the order?

Go to your cart. Under 'add priority production', click 'add to cart'. It will then be automatically added at checkout.

Use your discount code at the checkout. 

1. Enter the code in the Discount code bar. 

2. Press Apply 

3. Please give it a moment to load and adjust to the new subtotal.

Enjoy your discount! 

Our LED neon signs come with a 24 month warranty. This covers faulty items, when used appropriately. Please not that we require both a video and photo(s) for diagnostic and quality purposes.

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21 st led birthday neon sign

21st birthday neon light sign Physical shooting product picture,best selling color:

21st birthday neon light sign

21st birthday neon light sign  feedback case:

twenty one led neon light

Customize neon signs to wish a special person a happy birthday. Decorate a birthday party with a neon sign or place it on a dining room table for a birthday night. This affordable customized neon sign can do a lot of things. His neon signs are cool, with all kinds of fonts and colors. So, enjoy the charm of multiple shades, choose what suits you, and party forever!

Opt for a custom-designed birthday neon sign

For any occasion, neon signs may provide the ideal centerpiece. They are available in a wide range of colors, sizes, and designs to match your tastes and their environment. They are also more energy-efficient and a lot safer than conventional neon signs. Consider a birthday neon sign to make a statement at your special event if you want to add something distinctive.

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Your party may require a birthday neon sign if you want it to stand out and be as memorable as possible. These signs might serve as your centerpiece, particularly if they are properly made to match the occasion. In addition, they may be easily taken down and used again for another special occasion because they can be used for up to 50,000 hours.

A happy birthday neon sign in the UK blends well with your party

A happy birthday neon sign in the UK is the ideal option for birthday parties and as presents. These signs can add a distinctive touch and provide the ideal photo opportunity, as well as making someone's big day enjoyable and unforgettable.

A happy birthday neon sign in the UK can unify your birthday celebration thanks to their variety of colors and patterns. Even better, you can design a unique sign to generate a one-of-a-kind ambiance.

Considering a birthday neon sign is safer and uses less energy than conventional lightning systems, it will operate more affordably and emit less heat.

Neon signs stick to the tone of your birthday party

To enhance the party, dimmers and chasers can even be added. Giving the happy birthday neon sign in the UK as a present is a wonderful way to express your care for someone. They can put it wherever in their house, and it will survive for eight to fifteen years. To demonstrate how well you truly understand them, you can add your own words and style.

When choosing a sign for a birthday party or gift, consider the size of the area where it will be exhibited as well as the mood of the celebration into account. A more traditional event will look best with warm and cool white, while vibrant pink and blue with suit a joyful celebration.

A neon sign is the perfect event enhancement for your birthday

Naturally, birthday neon signs are exactly what you need to upgrade the standard ambiance of your wedding. Because of their adaptability and mood-lifting energy, neon signs are recommended by the majority of elite party planners and branding firms. These are effective at making strong messages in a modern manner.

Neon signs also have the advantage of appearing equally lighted during the day and at night. Therefore, these signs might be your go-to birthday party ehancements if you want to give it life and vigor.

Additionally, you can give the dance floor an ethereal glow based on your preferred color.

Design a birthday sign toi suit your personality

A happy birthday neon sign in the UK may give your party a special touch and last throughout the event and afterwards. Additionally, you have the option to choose the language and graphics for your very own sign.

Besides, if you don't want to create your own sign, there are several pre-made solutions that have been specially selected for a wedding venue.

Whether you're planning a birthday party, a wedding, or a corporate event, Neon Party UK believes all gatherings should be special. That's why we offer love neon sign, twenty one neon sign, cocktail bar sign, neon name signs, good vibes neon sign, and heart neon light. Your unique event sign will be created by our talented team of designers.

neon sign install
We aim to deliver your product/s within 2 weeks. We will make every effort to ensure your purchased product reaches you within the stated timeframe but we make no guarantees as external issues can arise that are not in our control.

Neon Party is responsible for delivering the items to the customer as listed on the purchasing order with shipping cost included. However, any charges for returned orders due to customer error (incorrect address, undeliverable orders, etc.) will be the responsibility of the customer.

Once your order is processed and in production, it cannot be cancelled or switched.

We offer returns and refunds for faulty products only. In line with Consumer Protection Laws, we will try our best to resolve the issue and may fix, replace, refund, or partially refund the product. The final resolve for faulty products, including refunds for the cost of the product is decided on a case by case basis majorly depending on the source of the fault.

Please note that we do not provide prepaid shipping return labels. Orders must be sent back at the customer’s expense. We suggest you get a tracking number with your return also, as we are not liable for lost return packages.

Neon Party generally does not accept requests for returns due to change of mind or other reasons. The customer may negotiate with Neon Party for a return and refund with the subject of approval. Still, the customer will be liable for all the costs incurred from that action, including shipping and/or tax.

In the case that the customer receives the wrong item or the item arrives broken, damaged, or faulty, the customer is entitled to return the item free of charge for a refund, only when the customer acknowledges Neon Party within seven days of receiving of item.

Please reach out to info@neonpartys.co.uk for all return requests.

Custom make your own LED Neon Sign

Please have a look through the FAQ below and let us know if there's anything else we can help you with.

design your own neon sign

Design Process

What colours can I choose from?

What fonts can I choose from?

What sizes can I choose from?

What if I want a sign that I can't create using your custom tool?

Do you offer a free design service?

neon sign production

Product Information

Where are your signs made?

What is the minimum size for neon signs?

Can Neon Signs be Used Outdoors?

Can I get a freestanding LED neon light?

What Are the Small Marks On My Sign?

How Long Do LED Neon Signs Last?

Are These LED Neon Signs Safe?

Do They Require Any Maintenance?

Can LED Neon Signs Break? What Are They Made of?

What Kind of Backing Does the Neon Flexible Tube Have?

custom your neon sign

Returns and Exchanges

What is your the Return and Exchange Policy?

Does my new sign come with a warranty?

Can I use my indoor sign outside?

neon sign production


What's The Process for Customised Orders?

Does My Neon Sign Need Any Professional Installation?

How Do You Power the Neon Signs?

What's The Length of the Power Cord?

Do I need a remote and dimmer for my LED neon light?

free shipping neon


How Do I Get My Tracking Number?

When Will I Receive My Neon Sign/Artwork?

What are the shipping costs?

Why is the turnaround 2 weeks per order?

What if my sign is damaged in transit?

Custom Orders

What Other Types of Signs Can You Create?

Can you print an image on my sign?

How much do custom neon signs cost?

Why are neon light signs safer?

Custom neon online


neon sign

Cut around acrylic/Free:

neon light

Rectangle acrylic/Free:

cut to letter neon sign

Cut to letter acrylic/+£35:

Free standing neon signStand acrylic/+£60:


Neon sign backboard color


White tubing: the sign will be white when it is turned off and coloured when it is switched on.

white tubing neon sign white tubing neon sign turned on

Coloured tubing: the sign will show its colour no matter whether it's on or off.

colourful tubing neon sign colourful tubing neon light


Single colour neon signSingle colour/Free: One static colour

Multi-colour/Free: More than one colour

 RGB color neon light

RGB colour changing/+$70% of total price: Remote controllable neon sign which includes 15+ colours in one

Wiring of standard neon signWiring of standard neon sign: If you have purchased a standard size neon sign, you will receive only one clear DC connection. Please set up your neon sign by wiring it as shown above.

Wiring of larger neon signsWiring of larger neon signs: If you have purchased a large neon sign, and it is divided into multiple parts, it may come with more than one clear DC connection. Please set up your neon sign by wiring it as shown above.


Want a sign you can't create using our custom tool? No problem! Simply upload your image to our website, tell us your design specifications, and we’ll send you a free mock up and quote for your neon sign!
personalized neon light sign

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