LEGO Ideas and CUUSOO

LEGO Ideas (formerly LEGO CUUSOO until 2014) is a fan-driven product line in which independent designers submit original concepts through an online platform. Community members vote on submissions, and designs that reach a threshold of support advance to LEGO review for potential commercial release. Produced from 2011 onward, the theme encompasses diverse subject matter including fan-created intellectual properties, cultural landmarks, entertainment licenses, and whimsical constructions. Sets are typically large and complex, designed for adult collectors and enthusiasts rather than children. Notable Ideas releases include Home Alone (a licensed set based on the 1990 film), Dungeons & Dragons: Red Dragon's Tale (based on the tabletop role-playing game), and original LEGO designs such as the Grand Piano and The Botanical Garden. The River Steamboat represents the line's celebration of historical and mechanical subjects. Each set reflects the unique vision of its fan designer while meeting LEGO's production and quality standards, making Ideas a bridge between the fan community and official product lines.