21st Birthday Explosion Boxes
The 21st birthday of someone special is the perfect time to take their card to the next level – and you can do so with our amazing 21st birthday explosion boxes! The Boomf Bomb, our signature photo cube, explodes out of its casing amidst an awesome shower of confetti - adorned with your own photos and a personalised message.
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How can I create a 21st birthday explosion box?
It takes only four steps to create an amazing surprise for your celebrant. Let’s get started!
- Select our 3D photo cube from the options above.
- Add your photos to the card – you’ll also be able to choose from our range of fantastic designs.
- Write your personalised message – it’ll go on the top of the cube.
- Enter your details, and off it goes! You’ll be able to review your amazing card before purchase.
What are Boomf’s delivery options?
All our cards can be delivered across the UK for free with Royal Mail second class delivery – but we have many other options if you need your fantastic card extra fast. Orders before 4pm, Monday to Friday are also dispatched on the same day.
There you have it! That’s all you need to get one of our 21st birthday explosion boxes delivered to your door – now get your phone ready to record the surprise!