LEGO 21125-3 Building Instructions
![LEGO 21125-3 Construction Set manual cover](/images/AumoNzgYBcBlvRvyZTlbMgOQ/thumbs/thumb175x175.webp)
To ensure all pieces are included, cross-reference the pieces with the inventory list provided in the instruction manual. If any pieces are missing, contact LEGO customer support for replacements.
Clean LEGO bricks using a soft cloth or sponge with mild soapy water. Avoid using hot water or a dishwasher, as it may damage the pieces. Rinse thoroughly and let them air dry completely.
Ensure all pieces are firmly connected. If stability is still an issue, consider using larger base plates or reinforce structures with additional bricks to provide extra support.
If the instruction manual is missing, you can download a digital copy from the official LEGO website by searching for the set number 21125-3.
Store the LEGO set in a dedicated storage bin with compartments to keep the pieces organized. Label each compartment for easy access and sorting.
Contact LEGO customer service for a replacement piece. Provide them with the set number (21125-3) and the specific part number if possible.
Yes, you can customize the set using additional LEGO pieces. Make sure the pieces are compatible in size and color to maintain the set's aesthetic.
Check for debris or damage on the pieces. Ensure that you are using the correct pieces as per the instruction manual. If the problem persists, consult LEGO support.
While it is possible to glue LEGO pieces for a permanent build, it is generally not recommended as it limits future creativity and modifications. Consider this option only if the build is meant to be a permanent display.
Verify that you have the correct set number. If there is a discrepancy, contact LEGO customer service for assistance. They may provide updated instructions or resolve the issue.