---
product_id: 293075399
title: "Happy 21st Birthday Pop-Up Greeting Card Original Second Nature 3D Pop Up Cards"
brand: "second nature pop ups"
price: "€ 21.27"
currency: EUR
in_stock: true
reviews_count: 6
category: "Second Nature Pop Ups"
url: https://www.desertcart.gr/products/293075399-happy-21st-birthday-pop-up-greeting-card-original-second-nature
store_origin: GR
region: Greece
---

# 50+ intricate folds & cuts 21x25cm open size Elastic band triggered pop-up Happy 21st Birthday Pop-Up Greeting Card Original Second Nature 3D Pop Up Cards

**Brand:** second nature pop ups
**Price:** € 21.27
**Availability:** ✅ In Stock

## Summary

> 🎈 Pop open joy and make their 21st unforgettable!

## Quick Answers

- **What is this?** Happy 21st Birthday Pop-Up Greeting Card Original Second Nature 3D Pop Up Cards by second nature pop ups
- **How much does it cost?** € 21.27 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/293075399-happy-21st-birthday-pop-up-greeting-card-original-second-nature)

## Best For

- second nature pop ups enthusiasts

## Why This Product

- Trusted second nature pop ups brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Personalized Touch:** Includes a gift tag and side panel for heartfelt handwritten messages that truly connect.
- • **Compact & Convenient:** Easily closes with finger guides for safe mailing, measuring a sleek 17x12cm when closed.
- • **Versatile Decor Element:** Transforms beyond a card—perfect as a balloon holder or floral centerpiece for your event.
- • **Masterpiece of Craftsmanship:** Over 50 precise folds and hand-added details create a stunning, tactile birthday experience.
- • **Instant Celebration Unleashed:** Elastic band mechanism springs the 3D design to life the moment it leaves the envelope.

## Overview

The Happy 21st Birthday Pop-Up Greeting Card by Second Nature is a UK-designed, intricately crafted 3D card featuring over 50 folds and hand-applied details. Driven by an elastic band, it springs open instantly when removed from its envelope, measuring 21x25cm open and 17x12cm closed. Beyond a card, it doubles as a stylish table or floral arrangement accessory, complete with a gift tag for personalized messages. Loved for its quality and unique design, it’s a standout choice for milestone celebrations.

## Description

This unique elasticated 3D card automatically jumps to life when removed from it's envelope for those occasions where you really want to show someone they are special and with your added special message, it is not just a card it is a wonderful personal gift to treasure. This 21st Birthday Pop Up has been beautifully created with a fun birthday theme. The Pop Ups can be used for so much more, why not use them as part of a table arrangement to hold a balloon, or as part of a floral arrangement? Let your imagination run wild. This amazing card was designed in the UK and uses over 50 folds and cuts and small hand added elements to create a beautiful range of designs. It is "driven" with an elastic band which "triggers" the Pop Up to instantly open when removed from it's envelope. The card can be easily closed by pinching the finger guides marked on either side and once closed you are able to write your message and place in it's envelope for posting. Pop Ups are also available in a wide variety of occasions, ranging from Weddings to 70th Birthdays and from general Birthdays to Anniversaries. We hope you enjoy sending them as much as we enjoyed making them! Opened the Pop Up measures approx 21cm x 25cm, closed it measures approx 17cm x 12cm.

Review: Very nice card - My niece loved it.
Review: Beautiful card ❤️ - Beautiful card ,really good quality, and a good size, something different than a normal basic card

## Features

- This unique 3D card jumps to life when removed from it's envelope
- It is "driven" with an elastic band which "triggers" the Pop Up to instantly open when removed from it's envelope
- The card can be easily closed by pinching the finger guides marked on either side
- Gift Tag & small side panel available for a hand written personal message
- The Pop Ups can be used for so much more, why not use them as part of a table arrangement to hold a balloon, or as part of a floral arrangement?

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07ZG8J561 |
| Are batteries included? | No |
| Best Sellers Rank | #325,825 in Office Products ( See Top 100 in Office Products ) #30,824 in Greeting Cards |
| Brand Name | Second Nature Pop Ups |
| Color | Pink |
| Customer Reviews | 4.6 out of 5 stars 2,457 Reviews |
| Global Trade Identification Number | 05034527293893 |
| Included Components | Envelope |
| Is Part of an Assortment | No |
| Item Dimensions L x W | 8.66"L x 5.12"W |
| Item Weight | 0.06 Kilograms |
| Manufacturer | Second Nature Ltd |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Occasion | Birthday |
| Other Special Features of the Product | Pop-Up |
| Pattern | Graphic |
| Product Style | Modern |
| Size | Open : 210 x 250mm (approx) / closed : 170 x 120mm |
| Specific Uses For Product | Birthday Card |
| Target Audience | Anyone, Men, Unisex-Adults, Women |
| Theme | Birthday |
| Unit Count | 1.0 Count |

## Images

![Happy 21st Birthday Pop-Up Greeting Card Original Second Nature 3D Pop Up Cards - Image 1](https://m.media-amazon.com/images/I/711o3sRTSfL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very nice card
*by A***. on December 18, 2025*

My niece loved it.

### ⭐⭐⭐⭐⭐ Beautiful card ❤️
*by J***E on April 4, 2026*

Beautiful card ,really good quality, and a good size, something different than a normal basic card

### ⭐⭐⭐⭐ Very cute
*by J***Z on November 4, 2025*

A little smaller than expected but still very cute! Gonna add my own flying butterflies for effect!

## Frequently Bought Together

- Happy 21st Birthday Pop-Up Greeting Card Original Second Nature 3D Pop Up Cards
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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-11-12*