LEGO 66378-1 Building Instructions
![LEGO 66378-1 Construction Set manual cover](/images/YimXfHTtQeRelYQAGWsVsQij/thumbs/thumb175x175.webp)
Check the included inventory list and compare it with the pieces in the box. If any are missing, contact LEGO customer support for replacements.
Visit the official LEGO website and download the digital version of the instructions from their customer service section.
Use a soft cloth and mild soap solution to gently wipe the pieces. Avoid using hot water or abrasive cleaners to prevent damage.
Use storage bins or containers with dividers to separate pieces by type or color. Label each section for quick identification.
Ensure all connections are securely snapped. Revisit the instructions to verify correct assembly and replace any worn-out pieces.
Yes, LEGO is designed for compatibility across sets, allowing you to expand and enhance your creations.
Contact LEGO customer service with the part number for assistance with obtaining a replacement piece.
Use larger base plates and reinforce structures with additional supports and beams for improved stability.
Regularly dust the pieces and store them in a dry, cool place away from direct sunlight to prevent fading and warping.
While LEGO is generally safe, supervision is recommended for younger children to prevent choking hazards and ensure proper use.