LEGO 21154 Building Instructions
![LEGO 21154 Construction Set manual cover](/images/XubHWkpNhMJNHViUAGOgcnIj/thumbs/thumb175x175.webp)
Verify the contents against the parts list included in the instruction manual. If any pieces are missing, contact LEGO customer service for replacements.
Sort pieces by color and size into small containers or trays to make them easier to find during assembly.
Double-check the instruction manual to ensure you're using the correct piece and orientation. If the problem persists, verify that the piece isn't damaged or misshapen.
Yes, LEGO pieces are designed to be durable and can withstand multiple assemblies and disassemblies. Use a brick separator to minimize wear and tear.
Ensure the surface of the LEGO piece is clean and dry before applying the sticker. If problems persist, contact LEGO support for replacement stickers.
Clean LEGO pieces by hand using warm water and a mild detergent. Avoid using a dishwasher or washing machine. Rinse thoroughly and air dry.
Yes, digital instructions can be found on the official LEGO website or through the LEGO Building Instructions app.
You can download a PDF version of the instruction manual from the LEGO Customer Service website.
Yes, LEGO pieces are standardized and can be mixed and matched with other sets for creative building.
Store the set in a cool, dry place away from direct sunlight. Consider using a display case for protection against dust and accidental damage.