Free Percy Pigs every month

Here's a little trick to get a free bag of Percy Pigs or Colin the Caterpillar sweets every month...

How it works:

• Click the green button below and scan the QR code
• Open the link via your mobile phone and log in to your Sparks account
• See the free bag added!
• Claim in your local M&S Food store

Note: We use the Sparks app and had to scan and choose "open in app" twice before it showed up.

In the mood for even more free things? Check out our list of the best freebies in the UK.

Click to get this deal