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About Us- Children's Birthday Party Designers

Designers, moms and party planners Saewon and Ranhee started Merrilulu in 2017 to make parents’ lives a little bit easier. Both are passionate about design and met while studying at RISD.

Friends first, business partners second, their partnership and love for creating memorable moments fuel Merrilulu. When they’re not chasing after their kids (five total between them), they’re huddled together, coming up with new event themes and turnkey party innovations for busy parents.

They’re determined to help parents take pride in their parties, joy in the planning process, and focus on celebrating life’s special moments.

Saewon’s professional background is in industrial, graphic and toy design. She also founded and hand constructed goods for her popular Etsy shop, The Paper Wonderland. She uses her fine cardstock skills to build Merrilulu prototypes.


Ranhee spent more than a decade designing innovative parenting and child-focused products. As Design Director at Skip Hop, she created their iconic Zoo backpack line along with many other clever goods and toys.