LEGO part #upn0031

RF Transponder

Sets

Total quantity

Distinct colors

Sets that include this part

© 2026 MastertheBricks. All rights reserved. MasterTheBricks.com is not affiliated with, endorsed by, or sponsored by The LEGO Group. LEGO® is a
trademark of the LEGO Group of companies which does not sponsor, authorize, or endorse this site.

Compare (/)

Add another set to start comparing