Funny Sister Birthday Cards

Celebrate sisterly love and laughter with our collection of funny sister birthday cards. Merging humor with heartfelt messages, each card is crafted to capture the unique bond and endless fun of sisterhood. Explore our thoughtfully designed cards that perfectly embody the joy and quirks of your sister's special day.

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58,711+ cards created with love

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A whimsical birthday illustration showcases a pair of adorable kittens playfully tangled in a string of colorful party lights, with one kitten wearing a tiny party hat. The scene humorously depicts the 'funny sister' sentiment as one kitten gently boops the other's nose. Above them, 'Happy Birthday' is spelled out in dangling letters, adding to the festive atmosphere.
Generated with these themes: funny sister  .
Made with ❤️ by AI.

A whimsical birthday illustration showcases a...

A whimsical birthday illustration showcases a...

In this charming illustration, a group of anthropomorphic forest animals throws a surprise party with the 'funny sister' being a bear dressed in a clown outfit juggling honey pots. The festive scene is complete with woodland decorations and a sign hanging from the trees with the text 'Happy Birthday' framed by twinkling fairy lights.
Generated with these themes: funny sister  .
Made with ❤️ by AI.

In this charming illustration, a group of ant...

In this charming illustration, a group of ant...

An endearing scene with cartoonish animals gathered around a cake, where a jovial elephant dressed in a pink tutu represents the 'funny sister' role, attempting to balance on a tiny stool. In the background, a banner with the text 'Happy Birthday' sways, complementing the laughter-filled party ambiance.
Generated with these themes: funny sister  .
Made with ❤️ by AI.

An endearing scene with cartoonish animals ga...

An endearing scene with cartoonish animals ga...

Featuring a cozy room filled with balloons and streamers, the illustration depicts a girl in a superhero costume with a cape labeled 'funny sister', leaping joyously as she startles her sibling, who is holding a birthday cupcake. The phrase 'Happy Birthday' is prominently displayed on the wall in bold, cheerful lettering, enhancing the playful theme.
Generated with these themes: funny sister  .
Made with ❤️ by AI.

Featuring a cozy room filled with balloons an...

Featuring a cozy room filled with balloons an...

Pricing & Delivery Options

  • • After designing your card, choose your printing and delivery options
  • • Order single cards or save money with our multi-pack options
  • • Printing costs are separate from your design tokens

Single Card

$3.99

Perfect for one-off cards

5 Cards

$14

$2.80 per card

10 Cards

$20

$2.00 per card

25 Cards

$40

$1.60 per card

50 Cards

$85

$1.70 per card

100 Cards

$145

$1.45 per card

Shipping Options

Fast, reliable delivery worldwide

Standard

5-12 business days

$4.99

Expedited

3-5 business days

$10.36

Express

1-2 business days

$20.20

Why Choose Our Funny Sister Card?

Turn your wild ideas into hilarious, one-of-a-kind cards that'll make them laugh out loud! 🎨✨

Uniquely Personal

🎨 Every card is one-of-a-kind, tailored to your friend's interests, hobbies, and personality.

Quick & Easy

⚡ Create the perfect card in 3 simple steps - no design skills needed!

Sustainable Choice

🌱 Eco-friendly materials, water-based inks, and recyclable packaging for guilt-free giving.

Quality Guaranteed

✨ Premium glossy cards, delivered worldwide.

Flexible Signing

✍️ Sign your card digitally or get it delivered to sign in person.

Privacy First

🔒 Your memories are safe with us - all uploaded images auto-delete after 30 days.

✨ Create Magic in 4 Simple Steps ✨

Turn your ideas into unforgettable cards in minutes! 🪄

1

Choose Your Occasion 🎯

Whether it's a Birthday 🎂, Valentine's Day ❤️, or Christmas 🎄 - we've got you covered!


2

Tell Us About Them 👥

Upload photos, share their interests, hobbies, and what makes them special - our AI will create something unique 🎨

Tell Us About Them 👥

3

Pick Your Favorite Design ✨

Choose from AI-generated cards made just for them - each one completely unique and personal 🎁


4

We'll Handle The Rest 📬

Add your message, and we'll print and deliver your card within 3 working days! 🚀


Reviews from Our Human Friends 🤖

What a breath of fresh air! Silly Robot Cards have bypassed any card manufacturer with their AI technology and card design(s) to capture the imagination and provide a platform to help produce truly personalised greetings cards. Not only that, there’s also human interaction with REAL people to respond to queries & requests providing real time help, assistance and support. A BIG high five to Silly Robots! 🙌 🤖

Hayley Quince - What a breath of fresh air!

Cool use of AI ... I think maybe Moonpig's days are numbered

Andy Baptist - Cool use of AI ..

What a great idea! You pick things that the person likes and this company makes an illustrated card including all the things you chose. So each card is unique to the person you chose it for. Brilliant idea. Card arrived, lovely quality. Happy buyer. Highly recommended.

Sue Blair - What a great idea!

I am absolutely thrilled to pieces with the valentines card I bought on this website, it is just too brilliant to put into words! Where other card websites failed Silly Robot Cards absolutely have come up trumps! I am so pleased. Thankyou so much!

Sarah Salt - I am absolutely thrilled to pieces

Example Printed AI Cards

High quality prints supplied with an envelope, delivered worldwide.

Example personalised card 1
Example personalised card 2
Example personalised card 3
Example personalised card 4

Starting from $3.99 | Worldwide Shipping | Multi-pack Options Available

Frequently Asked Questions


How much does it cost?

It costs $3 to print a card.

Cards are printed and supplied with a paper envelope and a protective biodegradable OPP bag.

How long does it take for a card to arrive?

It typically takes 5 business days to arrive.

Shipping options for the USA are as follows:

OptionCourierPrice
Standard (5-12 business days)N/A$4.99
Expedited (3-5 business days)N/A$10.36
Overnight (1-2 business days)N/A$20.20

What size is the card?

5.5 x 5.5 inches (140 x 140mm)

Can I personalise the card?

Yes, you can write a message on the inside of the card from the basket page.

How do I send a card?

After creating a cards, you can add to your basket and checkout.

What quality is the card?

The card is a glossy card.

Supplied with a paper envelope and a protective biodegradable OPP bag.

What happens to my pictures after uploading?

All uploaded pictures are deleted within 30 days.

Environmental Impact

See how we're reducing our impact on the environment


Water-based inks icon

Water-based inks

Printed using water based inks.

Sustainabily sourced icon

Sustainably sourced paper or wood

From sustainable forests.

Vegan-friendly icon

Vegan-friendly

Contains no animal products.

Recyclable

Can be recycled.

Ready to Revolutionize Your Card-Giving?

Join thousands of happy users who've discovered the power of AI-driven creativity. Whether it's birthdays, holidays, or just because, make every card unforgettable.

Need inspiration? Check out our blog post: The Beginners Guide to AI Generated Greetings Cards

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