As counterfeit products are continuously produced in factories in China, the health of children who are the main users of Lego is concerned.Lego's Korea marketing manager revealed on the TV show My Working Vlog (2021) that "managing counterfeit products" is part of his daily routine.




Currently, there is no official Lego commerce app. If there is a trustworthy official application, users will be able to purchase products with confidence.
Through user research, I gained insight that Lego products are not only purchased by children but also by adults, with adult users having specific desired categories in mind among the product offerings.


I created a slogan Inspired by Lego's modularity.I established brand values and design principles based on brainstorming, user review surveys, and desk research.

I created a product purchase process, which is the core process of the commerce app.
I have added a category search feature for users looking for specific products.
Because, I realized that there are many adult Lego lovers during my research. Categories allow them to narrow down the products they want to purchase.