LEGO 21135-1 Building Instructions
![LEGO 21135-1 Construction Set manual cover](/images/HJihNepciyyhIUUUGdRxBjAF/thumbs/thumb175x175.webp)
Check the instruction manual for the parts list and compare it with the pieces you have. If any pieces are missing, contact LEGO customer service for replacements.
Use small containers or sorting trays to separate pieces by size and color. This will make it easier to find the pieces you need during assembly.
Double-check the instruction steps to ensure you are using the correct piece. Ensure all previous steps are assembled correctly. If the issue persists, verify you have the correct edition of the manual.
Ensure pieces are firmly connected during assembly. For key structural components, consider using LEGO-approved connectors or supports. Avoid applying excessive force during play.
Use a soft cloth dampened with mild soap and water. Avoid using harsh chemicals or submerging electronic components. Allow pieces to air dry completely before reassembling.
You can download a PDF version of the instruction manual from the official LEGO website by searching for set 21135-1.
Yes, various LEGO fan sites and forums offer alternative building instructions and ideas. LEGO's official site also sometimes features community builds.
Store the set in a cool, dry place away from direct sunlight to prevent fading. Regularly dust the pieces and check for any loose connections.
Consider integrating the set with other LEGO sets or using LEGO Power Functions to add movement. Encourage creative storytelling during play.
Contact LEGO's customer service for replacement options. They may offer to send a new piece depending on availability.