Segelyacht / Liebig's Extract of Meat Company.
The pattern
This still sits in the public-domain pool. No pattern name yet.
Why it works
Liebig packaged collectible chromolithograph trading cards featuring maritime sailing yachts inside meat extract tins. Children and hobbyists collected complete series, driving sustained repeat kitchen purchases through recreational gamification.
Steal this when
Steal this when using collectible serial inserts or progressive content rewards to sustain customer retention.