Returns information

How to Return Your Kit(s)

Click here to download our Returns Slip

If you don’t have a printer:

1. On a piece of paper write down:

  • Full Name
  • Email
  • Phone Number
  • Order Number
  • Reason for return

2. Post to this address:

BYO Returns Department
Paper Engine Limited
49 Leigh Road
SO50 9DF

3. Take to your local post office or use a reputable courier service to return the item to us. We highly recommend using a tracked or signed for service just in
case something goes awry. If you are returning a faulty product, we will refund you the return postage.

4. We will refund you to your original payment method within 28 days of receipt.

Should you have other questions or concerns, please send us an e-mail to or give us a call on 02380 625855.

Our Returns Policy

If you change your mind about an order, you have 14 days from the day you receive your order to return the goods to us. We will give you a full refund, as long as the products are not opened or damaged.

We will pay the costs of return if the products are faulty or misdescribed. In all other circumstances you must pay the costs of return.

We will make any refunds due to you as soon as possible. If you are exercising your right to change your mind, your refund will be made within 14 days from the day on which we receive the product back from you.

For more information see our Terms and Conditions

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BYO STEMgineers Summer Challenge Terms and Conditions

Build Your Own’s STEMgineer Summer Challenges are open to UK residents only. There is no entry fee or purchase necessary to enter or take part.

Closing dates for the challenges will be detailed each week on Facebook and Instagram. After this date, no further entries will be permitted. No responsibility can be accepted for entries not received for whatever reason.

The weekly prize is as follows: 1 x Build Your Own personalised cardboard trophy, and a £5 voucher to spend on The weekly prize is as stated, and no cash or other alternatives will be offered.

Summer Challenge winners will be selected each week by the Build Your Own team from all entries received. Challenge winners will be announced the following Wednesday on Instagram and Facebook, along with an image of their entry.

The winner agrees to the use of his/her name and image in any publicity material, as well as their entry. Any personal data relating to the winner, or any other entrants will be used solely in accordance with current [UK] data protection legislation and will not be disclosed to a third party without the entrant’s prior consent.

This promotion is in no way sponsored, endorsed, or administered by, or associated with, Instagram, Facebook, Twitter, or any other Social Network. You are providing your information to Build Your Own and not to any other party. The information provided will be used in conjunction with the following Privacy Policy found at

By entering this competition, an entrant is indicating his/her agreement to be bound by these terms and conditions.

Build Your Own shall have the right, at its sole discretion and at any time, to change or modify these terms and conditions, such change shall be effective immediately upon posting to this webpage.

Build Your Own also reserves the right to cancel the competition if circumstances arise outside of its control.