An Icon Reimagined
Colin the Caterpillar is more than a cake; it’s a non-negotiable fixture of British birthday parties. For decades, the Marks & Spencer creation has remained fundamentally unchanged: a chocolate sponge roll with chocolate buttercream, a hard chocolate shell, and that familiar white chocolate face.
A new design concept, however, imagines a significant departure from the formula. This mockup proposes a collaboration between two titans of the UK grocery aisle, fusing the M&S cake with the McVitie’s Digestive. The image presents a Colin whose log body has the unmistakable colour and texture of the nation’s benchmark biscuit. The packaging is a hybrid, too, blending the familiar green of Colin’s box with the classic red and blue livery of McVitie’s.
The Colin Franchise
While a biscuit-based Colin might seem like a radical step, the brand itself is no stranger to diversification. M&S has expanded the caterpillar’s footprint far beyond the original celebration cake. The range is now a sprawling universe of formats, primarily in confectionery.
Alongside the full-size original and the popular Mini Colin the Caterpillar Cakes, the character’s face now adorns bags of sweets. These include Colin the Caterpillar Softies, Speckles, Cola Gums, and Fruit Gums. More recently, the line has pushed into sharper flavours with products like Sourtastic, Sour Stomps, Fruit Sours, and even specific variants like Cherry Gums. This constant innovation has turned a single product into a formidable sub-brand, making new flavour editions feel like an inevitability.
The Crossover Strategy
The other half of the equation is the crossover itself. Merging cakes and biscuits is a well-established strategy in UK product development. Shoppers are accustomed to seeing biscuit brands like Oreo or Biscoff appear in ice creams, yoghurts, and doughnuts. It’s a proven method for creating novelty while retaining the comforting familiarity of a famous brand.
This concept simply applies that same logic to the country’s most recognisable cake. It takes the established format of a brand collaboration and aims it at a product that has, until now, remained largely self-contained. It’s a collision of two separate but very successful product extension strategies.
What the real range looks like
The real Colin the Caterpillar range is vast, covering the original cake, Mini Cakes, and an extensive confectionery line including Softies, Cola Gums, Speckles, and various sour editions like Sourtastic and Sour Stomps. A biscuit-themed cake would be a new category, moving the brand beyond sponge and sweets.
- M S Colin the Caterpillar Cake
- M S Colin the Caterpillar Softies
- M S Colin the Caterpillar Speckles
- M S Colin the Caterpillar Cola Gums
- M S Mini Colin the Caterpillar Cakes
- M S Colin the Caterpillar Sourtastic
- M S Colin the Caterpillar Fruit Gums
- M S Colin the Caterpillar Party Cups
- M S Colin the Caterpillar Party Time
- M S Colin the Caterpillar Sour Stomps
Frequently asked questions
- What is a McVitie’s Colin the Caterpillar cake?
- It’s a design concept for a fictional product. The mockup shows a version of the famous M&S chocolate cake where the sponge body has been replaced with one that looks like a McVitie’s Digestive biscuit.
- Who makes the official Colin the Caterpillar?
- The official Colin the Caterpillar cake and all its related products are made and sold exclusively by Marks & Spencer. McVitie’s is a separate company, best known for its Digestive and Rich Tea biscuits.
- Is the McVitie’s Colin the Caterpillar cake real?
- No, this is a Snackfish. It’s a mockup created by the design page UK Snack Attack and is not a real product sold by M&S or McVitie’s.
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You have been Snackfished!
Snackfish :
[sn-a-ck-fish] verb
A snack that lies about its legitimacy as an official product online for internet clout and attention. Most commonly fabricated in Adobe Photoshop or using the unofficial Snackfish AI