LEGO Classic 4521 Building Instructions
![LEGO Classic 4521 Construction Set manual cover](/images/OmsawXliAXQsHpLXIwVlmzmh/thumbs/thumb175x175.webp)
Begin by organizing the pieces by color and type. Follow the instruction booklet for guided builds or use the pieces to create your own designs.
Contact LEGO customer service with the set number and the missing piece details. They can assist in replacing missing parts.
Yes, LEGO Classic sets are designed to be compatible with other LEGO products, allowing you to expand your creations.
Wash the pieces by hand using warm water and mild soap, then rinse and air dry. Avoid using a washing machine or dishwasher.
Use a dedicated storage box with compartments to organize pieces by size and color for easy access and to prevent loss.
Ensure that pieces are aligned correctly and free of debris. If issues persist, check for damaged pieces and replace them if necessary.
Visit the official LEGO website or download the LEGO Building Instructions app for more building ideas and digital instructions.
Keep the pieces away from direct sunlight and extreme temperatures to prevent color fading and warping. Regular cleaning is also recommended.
The set itself does not include motorized components, but you can integrate LEGO Power Functions or other motorized kits for advanced projects.
You can download a PDF version of the instruction booklet from the LEGO website by entering the set number in the instructions section.