Bobaa Kids Playground is a children’s play center designed around the concept of “Playing, Learning, and Having Fun”. Amid increasingly intense competition in the playground business and limitations in promotional budgets, effective and efficient promotional media are required to visually communicate messages to both children and parents. Posters were selected as the promotional medium due to their relatively low production costs, flexible placement, and ease of adaptation to digital platforms. This study explains the process of creating a promotional poster for Bobaa Kids Playground and aims to produce a poster design that is informative, attractive, and suitable for the target visitors. A qualitative design approach was used in this project. The data were collected through direct observation at the playground, photo documentation, and input from the business owner, then analyzed using SWOT analysis and brainstorming. The poster creation process includes pre-production, production, and post-production stages, starting from brainstorming ideas, taking photos, arranging the initial layout, developing the poster design, and ending with evaluation and finalization. The results show that SWOT analysis and brainstorming help in creating visual concepts that match the business conditions and visitor needs. Bright colors, child-friendly fonts, illustrations of children playing, and clear information such as ticket prices, opening hours, address, and contact details make the poster visually appealing and easy to understand. The resulting promotional poster is expected to function as an effective promotional medium to increase visitor interest.