LEGO 31121-1 Building Instructions
![LEGO 31121-1 Construction Set manual cover](/images/hyjrtQopblsXpWAlGwXXJzOE/thumbs/thumb175x175.webp)
Start by sorting all the pieces by color and type. Follow the instruction manual step-by-step to ensure correct assembly.
Contact LEGO customer service through their website or check their replacement parts section to order the missing piece.
Yes, LEGO sets are designed to be compatible with each other, allowing you to creatively combine pieces from different sets.
Make sure all pieces are firmly connected and follow the manual carefully. Work on a flat, stable surface to prevent accidental knocks.
Use a cloth or soft brush to dust the pieces. For more thorough cleaning, wash them in warm water with mild soap, then air dry.
Check each step of the instruction manual to ensure all pieces are in the correct place and orientation. Look for any leftover pieces that might not have been used.
It's not recommended to use glue as it can damage the pieces. LEGO models are designed to be disassembled for rebuilding and creative play.
Place it on a dedicated shelf or display case. Use LED lights to highlight the model, or incorporate it into a larger LEGO cityscape.
Consider adding motorized parts, custom decals, or integrating it with other sets to expand its features and functionality.
Visit the LEGO website to download a digital version of the instruction manual. They provide PDFs for most sets.