LEGO 21121 Building Instructions
![LEGO 21121 Construction Set manual cover](/images/PcNJJrmoHTqPeHptbmMJIdML/thumbs/thumb175x175.webp)
Check the inventory list in the instruction manual and compare it with the pieces you have. If any are missing, contact LEGO customer service for replacements.
Sort the pieces by color and size into small containers or trays to make finding parts easier during construction.
Revisit each step in the instruction manual to ensure each piece is placed correctly, paying attention to similar-looking pieces.
Make sure you are using the correct piece as indicated in the instructions and that it is aligned properly before applying pressure.
Dust the model regularly with a soft cloth and keep it away from direct sunlight to avoid color fading.
Yes, LEGO sets are designed to be compatible with each other, allowing for creative construction and expansion.
The LEGO 21121 set is recommended for ages 8 and up due to its complexity and small parts.
Replacement instructions can be downloaded for free from the official LEGO website in PDF format.
Consider using a display case or shelf to protect the model from dust and damage, while keeping it visible for enjoyment.
Contact LEGO customer service to obtain a replacement part. LEGO offers support for broken pieces under certain conditions.